Is S66 a billable code?
No. S66 is a header code that groups 400 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
S66: Injury of muscle, fascia and tendon at wrist and hand level
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
S66 groups related diagnoses under injury of muscle, fascia and tendon at wrist and hand level. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under S66
- S66.001AUnspecified injury of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter
- S66.001DUnspecified injury of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter
- S66.001SUnspecified injury of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, sequela
- S66.002AUnspecified injury of long flexor muscle, fascia and tendon of left thumb at wrist and hand level, initial encounter
- S66.002DUnspecified injury of long flexor muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter
- S66.002SUnspecified injury of long flexor muscle, fascia and tendon of left thumb at wrist and hand level, sequela
- S66.009AUnspecified injury of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, initial encounter
- S66.009DUnspecified injury of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter
- S66.009SUnspecified injury of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela
- S66.011AStrain of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter
- S66.011DStrain of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter
- S66.011SStrain of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, sequela
- S66.012AStrain of long flexor muscle, fascia and tendon of left thumb at wrist and hand level, initial encounter
- S66.012DStrain of long flexor muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter
- S66.012SStrain of long flexor muscle, fascia and tendon of left thumb at wrist and hand level, sequela
- S66.019AStrain of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, initial encounter
- S66.019DStrain of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter
- S66.019SStrain of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela
- S66.021ALaceration of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter
- S66.021DLaceration of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter
- S66.021SLaceration of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, sequela
- S66.022ALaceration of long flexor muscle, fascia and tendon of left thumb at wrist and hand level, initial encounter
- S66.022DLaceration of long flexor muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter
- S66.022SLaceration of long flexor muscle, fascia and tendon of left thumb at wrist and hand level, sequela
- S66.029ALaceration of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, initial encounter
- S66.029DLaceration of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter
- S66.029SLaceration of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela
- S66.091AOther specified injury of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter
- S66.091DOther specified injury of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter
- S66.091SOther specified injury of long flexor muscle, fascia and tendon of right thumb at wrist and hand level, sequela
- S66.092AOther specified injury of long flexor muscle, fascia and tendon of left thumb at wrist and hand level, initial encounter
- S66.092DOther specified injury of long flexor muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter
- S66.092SOther specified injury of long flexor muscle, fascia and tendon of left thumb at wrist and hand level, sequela
- S66.099AOther specified injury of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, initial encounter
- S66.099DOther specified injury of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter
- S66.099SOther specified injury of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela
- S66.100AUnspecified injury of flexor muscle, fascia and tendon of right index finger at wrist and hand level, initial encounter
- S66.100DUnspecified injury of flexor muscle, fascia and tendon of right index finger at wrist and hand level, subsequent encounter
- S66.100SUnspecified injury of flexor muscle, fascia and tendon of right index finger at wrist and hand level, sequela
- S66.101AUnspecified injury of flexor muscle, fascia and tendon of left index finger at wrist and hand level, initial encounter
- S66.101DUnspecified injury of flexor muscle, fascia and tendon of left index finger at wrist and hand level, subsequent encounter
- S66.101SUnspecified injury of flexor muscle, fascia and tendon of left index finger at wrist and hand level, sequela
- S66.102AUnspecified injury of flexor muscle, fascia and tendon of right middle finger at wrist and hand level, initial encounter
- S66.102DUnspecified injury of flexor muscle, fascia and tendon of right middle finger at wrist and hand level, subsequent encounter
- S66.102SUnspecified injury of flexor muscle, fascia and tendon of right middle finger at wrist and hand level, sequela
- S66.103AUnspecified injury of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, initial encounter
- S66.103DUnspecified injury of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, subsequent encounter
- S66.103SUnspecified injury of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, sequela
- S66.104AUnspecified injury of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, initial encounter
- S66.104DUnspecified injury of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, subsequent encounter
- S66.104SUnspecified injury of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, sequela
- S66.105AUnspecified injury of flexor muscle, fascia and tendon of left ring finger at wrist and hand level, initial encounter
- S66.105DUnspecified injury of flexor muscle, fascia and tendon of left ring finger at wrist and hand level, subsequent encounter
- S66.105SUnspecified injury of flexor muscle, fascia and tendon of left ring finger at wrist and hand level, sequela
- S66.106AUnspecified injury of flexor muscle, fascia and tendon of right little finger at wrist and hand level, initial encounter
- S66.106DUnspecified injury of flexor muscle, fascia and tendon of right little finger at wrist and hand level, subsequent encounter
- S66.106SUnspecified injury of flexor muscle, fascia and tendon of right little finger at wrist and hand level, sequela
- S66.107AUnspecified injury of flexor muscle, fascia and tendon of left little finger at wrist and hand level, initial encounter
- S66.107DUnspecified injury of flexor muscle, fascia and tendon of left little finger at wrist and hand level, subsequent encounter
- S66.107SUnspecified injury of flexor muscle, fascia and tendon of left little finger at wrist and hand level, sequela
- S66.108AUnspecified injury of flexor muscle, fascia and tendon of other finger at wrist and hand level, initial encounter
- S66.108DUnspecified injury of flexor muscle, fascia and tendon of other finger at wrist and hand level, subsequent encounter
- S66.108SUnspecified injury of flexor muscle, fascia and tendon of other finger at wrist and hand level, sequela
- S66.109AUnspecified injury of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, initial encounter
- S66.109DUnspecified injury of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, subsequent encounter
- S66.109SUnspecified injury of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, sequela
- S66.110AStrain of flexor muscle, fascia and tendon of right index finger at wrist and hand level, initial encounter
- S66.110DStrain of flexor muscle, fascia and tendon of right index finger at wrist and hand level, subsequent encounter
- S66.110SStrain of flexor muscle, fascia and tendon of right index finger at wrist and hand level, sequela
- S66.111AStrain of flexor muscle, fascia and tendon of left index finger at wrist and hand level, initial encounter
- S66.111DStrain of flexor muscle, fascia and tendon of left index finger at wrist and hand level, subsequent encounter
- S66.111SStrain of flexor muscle, fascia and tendon of left index finger at wrist and hand level, sequela
- S66.112AStrain of flexor muscle, fascia and tendon of right middle finger at wrist and hand level, initial encounter
- S66.112DStrain of flexor muscle, fascia and tendon of right middle finger at wrist and hand level, subsequent encounter
- S66.112SStrain of flexor muscle, fascia and tendon of right middle finger at wrist and hand level, sequela
- S66.113AStrain of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, initial encounter
- S66.113DStrain of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, subsequent encounter
- S66.113SStrain of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, sequela
- S66.114AStrain of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, initial encounter
- S66.114DStrain of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, subsequent encounter
- S66.114SStrain of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, sequela
- S66.115AStrain of flexor muscle, fascia and tendon of left ring finger at wrist and hand level, initial encounter
- S66.115DStrain of flexor muscle, fascia and tendon of left ring finger at wrist and hand level, subsequent encounter
- S66.115SStrain of flexor muscle, fascia and tendon of left ring finger at wrist and hand level, sequela
- S66.116AStrain of flexor muscle, fascia and tendon of right little finger at wrist and hand level, initial encounter
- S66.116DStrain of flexor muscle, fascia and tendon of right little finger at wrist and hand level, subsequent encounter
- S66.116SStrain of flexor muscle, fascia and tendon of right little finger at wrist and hand level, sequela
- S66.117AStrain of flexor muscle, fascia and tendon of left little finger at wrist and hand level, initial encounter
- S66.117DStrain of flexor muscle, fascia and tendon of left little finger at wrist and hand level, subsequent encounter
- S66.117SStrain of flexor muscle, fascia and tendon of left little finger at wrist and hand level, sequela
- S66.118AStrain of flexor muscle, fascia and tendon of other finger at wrist and hand level, initial encounter
- S66.118DStrain of flexor muscle, fascia and tendon of other finger at wrist and hand level, subsequent encounter
- S66.118SStrain of flexor muscle, fascia and tendon of other finger at wrist and hand level, sequela
- S66.119AStrain of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, initial encounter
- S66.119DStrain of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, subsequent encounter
- S66.119SStrain of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, sequela
- S66.120ALaceration of flexor muscle, fascia and tendon of right index finger at wrist and hand level, initial encounter
- S66.120DLaceration of flexor muscle, fascia and tendon of right index finger at wrist and hand level, subsequent encounter
- S66.120SLaceration of flexor muscle, fascia and tendon of right index finger at wrist and hand level, sequela
- S66.121ALaceration of flexor muscle, fascia and tendon of left index finger at wrist and hand level, initial encounter
- S66.121DLaceration of flexor muscle, fascia and tendon of left index finger at wrist and hand level, subsequent encounter
- S66.121SLaceration of flexor muscle, fascia and tendon of left index finger at wrist and hand level, sequela
- S66.122ALaceration of flexor muscle, fascia and tendon of right middle finger at wrist and hand level, initial encounter
- S66.122DLaceration of flexor muscle, fascia and tendon of right middle finger at wrist and hand level, subsequent encounter
- S66.122SLaceration of flexor muscle, fascia and tendon of right middle finger at wrist and hand level, sequela
- S66.123ALaceration of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, initial encounter
- S66.123DLaceration of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, subsequent encounter
- S66.123SLaceration of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, sequela
- S66.124ALaceration of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, initial encounter
- S66.124DLaceration of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, subsequent encounter
- S66.124SLaceration of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, sequela
- S66.125ALaceration of flexor muscle, fascia and tendon of left ring finger at wrist and hand level, initial encounter
- S66.125DLaceration of flexor muscle, fascia and tendon of left ring finger at wrist and hand level, subsequent encounter
- S66.125SLaceration of flexor muscle, fascia and tendon of left ring finger at wrist and hand level, sequela
- S66.126ALaceration of flexor muscle, fascia and tendon of right little finger at wrist and hand level, initial encounter
- S66.126DLaceration of flexor muscle, fascia and tendon of right little finger at wrist and hand level, subsequent encounter
- S66.126SLaceration of flexor muscle, fascia and tendon of right little finger at wrist and hand level, sequela
- S66.127ALaceration of flexor muscle, fascia and tendon of left little finger at wrist and hand level, initial encounter
- S66.127DLaceration of flexor muscle, fascia and tendon of left little finger at wrist and hand level, subsequent encounter
- S66.127SLaceration of flexor muscle, fascia and tendon of left little finger at wrist and hand level, sequela
- S66.128ALaceration of flexor muscle, fascia and tendon of other finger at wrist and hand level, initial encounter
- S66.128DLaceration of flexor muscle, fascia and tendon of other finger at wrist and hand level, subsequent encounter
- S66.128SLaceration of flexor muscle, fascia and tendon of other finger at wrist and hand level, sequela
- S66.129ALaceration of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, initial encounter
- S66.129DLaceration of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, subsequent encounter
- S66.129SLaceration of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, sequela
- S66.190AOther injury of flexor muscle, fascia and tendon of right index finger at wrist and hand level, initial encounter
- S66.190DOther injury of flexor muscle, fascia and tendon of right index finger at wrist and hand level, subsequent encounter
- S66.190SOther injury of flexor muscle, fascia and tendon of right index finger at wrist and hand level, sequela
- S66.191AOther injury of flexor muscle, fascia and tendon of left index finger at wrist and hand level, initial encounter
- S66.191DOther injury of flexor muscle, fascia and tendon of left index finger at wrist and hand level, subsequent encounter
- S66.191SOther injury of flexor muscle, fascia and tendon of left index finger at wrist and hand level, sequela
- S66.192AOther injury of flexor muscle, fascia and tendon of right middle finger at wrist and hand level, initial encounter
- S66.192DOther injury of flexor muscle, fascia and tendon of right middle finger at wrist and hand level, subsequent encounter
- S66.192SOther injury of flexor muscle, fascia and tendon of right middle finger at wrist and hand level, sequela
- S66.193AOther injury of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, initial encounter
- S66.193DOther injury of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, subsequent encounter
- S66.193SOther injury of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, sequela
- S66.194AOther injury of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, initial encounter
- S66.194DOther injury of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, subsequent encounter
- S66.194SOther injury of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, sequela
- S66.195AOther injury of flexor muscle, fascia and tendon of left ring finger at wrist and hand level, initial encounter
- S66.195DOther injury of flexor muscle, fascia and tendon of left ring finger at wrist and hand level, subsequent encounter
- S66.195SOther injury of flexor muscle, fascia and tendon of left ring finger at wrist and hand level, sequela
- S66.196AOther injury of flexor muscle, fascia and tendon of right little finger at wrist and hand level, initial encounter
- S66.196DOther injury of flexor muscle, fascia and tendon of right little finger at wrist and hand level, subsequent encounter
- S66.196SOther injury of flexor muscle, fascia and tendon of right little finger at wrist and hand level, sequela
- S66.197AOther injury of flexor muscle, fascia and tendon of left little finger at wrist and hand level, initial encounter
- S66.197DOther injury of flexor muscle, fascia and tendon of left little finger at wrist and hand level, subsequent encounter
- S66.197SOther injury of flexor muscle, fascia and tendon of left little finger at wrist and hand level, sequela
- S66.198AOther injury of flexor muscle, fascia and tendon of other finger at wrist and hand level, initial encounter
- S66.198DOther injury of flexor muscle, fascia and tendon of other finger at wrist and hand level, subsequent encounter
- S66.198SOther injury of flexor muscle, fascia and tendon of other finger at wrist and hand level, sequela
- S66.199AOther injury of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, initial encounter
- S66.199DOther injury of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, subsequent encounter
- S66.199SOther injury of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, sequela
- S66.201AUnspecified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter
- S66.201DUnspecified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter
- S66.201SUnspecified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level, sequela
- S66.202AUnspecified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level, initial encounter
- S66.202DUnspecified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter
- S66.202SUnspecified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level, sequela
- S66.209AUnspecified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, initial encounter
- S66.209DUnspecified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter
- S66.209SUnspecified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela
- S66.211AStrain of extensor muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter
- S66.211DStrain of extensor muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter
- S66.211SStrain of extensor muscle, fascia and tendon of right thumb at wrist and hand level, sequela
- S66.212AStrain of extensor muscle, fascia and tendon of left thumb at wrist and hand level, initial encounter
- S66.212DStrain of extensor muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter
- S66.212SStrain of extensor muscle, fascia and tendon of left thumb at wrist and hand level, sequela
- S66.219AStrain of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, initial encounter
- S66.219DStrain of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter
- S66.219SStrain of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela
- S66.221ALaceration of extensor muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter
- S66.221DLaceration of extensor muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter
- S66.221SLaceration of extensor muscle, fascia and tendon of right thumb at wrist and hand level, sequela
- S66.222ALaceration of extensor muscle, fascia and tendon of left thumb at wrist and hand level, initial encounter
- S66.222DLaceration of extensor muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter
- S66.222SLaceration of extensor muscle, fascia and tendon of left thumb at wrist and hand level, sequela
- S66.229ALaceration of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, initial encounter
- S66.229DLaceration of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter
- S66.229SLaceration of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela
- S66.291AOther specified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter
- S66.291DOther specified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter
- S66.291SOther specified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level, sequela
- S66.292AOther specified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level, initial encounter
- S66.292DOther specified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter
- S66.292SOther specified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level, sequela
- S66.299AOther specified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, initial encounter
- S66.299DOther specified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter
- S66.299SOther specified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela
- S66.300AUnspecified injury of extensor muscle, fascia and tendon of right index finger at wrist and hand level, initial encounter
- S66.300DUnspecified injury of extensor muscle, fascia and tendon of right index finger at wrist and hand level, subsequent encounter
- S66.300SUnspecified injury of extensor muscle, fascia and tendon of right index finger at wrist and hand level, sequela
- S66.301AUnspecified injury of extensor muscle, fascia and tendon of left index finger at wrist and hand level, initial encounter
- S66.301DUnspecified injury of extensor muscle, fascia and tendon of left index finger at wrist and hand level, subsequent encounter
- S66.301SUnspecified injury of extensor muscle, fascia and tendon of left index finger at wrist and hand level, sequela
- S66.302AUnspecified injury of extensor muscle, fascia and tendon of right middle finger at wrist and hand level, initial encounter
- S66.302DUnspecified injury of extensor muscle, fascia and tendon of right middle finger at wrist and hand level, subsequent encounter
- S66.302SUnspecified injury of extensor muscle, fascia and tendon of right middle finger at wrist and hand level, sequela
- S66.303AUnspecified injury of extensor muscle, fascia and tendon of left middle finger at wrist and hand level, initial encounter
- S66.303DUnspecified injury of extensor muscle, fascia and tendon of left middle finger at wrist and hand level, subsequent encounter
- S66.303SUnspecified injury of extensor muscle, fascia and tendon of left middle finger at wrist and hand level, sequela
- S66.304AUnspecified injury of extensor muscle, fascia and tendon of right ring finger at wrist and hand level, initial encounter
- S66.304DUnspecified injury of extensor muscle, fascia and tendon of right ring finger at wrist and hand level, subsequent encounter
- S66.304SUnspecified injury of extensor muscle, fascia and tendon of right ring finger at wrist and hand level, sequela
- S66.305AUnspecified injury of extensor muscle, fascia and tendon of left ring finger at wrist and hand level, initial encounter
- S66.305DUnspecified injury of extensor muscle, fascia and tendon of left ring finger at wrist and hand level, subsequent encounter
- S66.305SUnspecified injury of extensor muscle, fascia and tendon of left ring finger at wrist and hand level, sequela
- S66.306AUnspecified injury of extensor muscle, fascia and tendon of right little finger at wrist and hand level, initial encounter
- S66.306DUnspecified injury of extensor muscle, fascia and tendon of right little finger at wrist and hand level, subsequent encounter
- S66.306SUnspecified injury of extensor muscle, fascia and tendon of right little finger at wrist and hand level, sequela
- S66.307AUnspecified injury of extensor muscle, fascia and tendon of left little finger at wrist and hand level, initial encounter
- S66.307DUnspecified injury of extensor muscle, fascia and tendon of left little finger at wrist and hand level, subsequent encounter
- S66.307SUnspecified injury of extensor muscle, fascia and tendon of left little finger at wrist and hand level, sequela
- S66.308AUnspecified injury of extensor muscle, fascia and tendon of other finger at wrist and hand level, initial encounter
- S66.308DUnspecified injury of extensor muscle, fascia and tendon of other finger at wrist and hand level, subsequent encounter
- S66.308SUnspecified injury of extensor muscle, fascia and tendon of other finger at wrist and hand level, sequela
- S66.309AUnspecified injury of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level, initial encounter
- S66.309DUnspecified injury of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level, subsequent encounter
- S66.309SUnspecified injury of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level, sequela
- S66.310AStrain of extensor muscle, fascia and tendon of right index finger at wrist and hand level, initial encounter
- S66.310DStrain of extensor muscle, fascia and tendon of right index finger at wrist and hand level, subsequent encounter
- S66.310SStrain of extensor muscle, fascia and tendon of right index finger at wrist and hand level, sequela
- S66.311AStrain of extensor muscle, fascia and tendon of left index finger at wrist and hand level, initial encounter
- S66.311DStrain of extensor muscle, fascia and tendon of left index finger at wrist and hand level, subsequent encounter
- S66.311SStrain of extensor muscle, fascia and tendon of left index finger at wrist and hand level, sequela
- S66.312AStrain of extensor muscle, fascia and tendon of right middle finger at wrist and hand level, initial encounter
- S66.312DStrain of extensor muscle, fascia and tendon of right middle finger at wrist and hand level, subsequent encounter
- S66.312SStrain of extensor muscle, fascia and tendon of right middle finger at wrist and hand level, sequela
- S66.313AStrain of extensor muscle, fascia and tendon of left middle finger at wrist and hand level, initial encounter
- S66.313DStrain of extensor muscle, fascia and tendon of left middle finger at wrist and hand level, subsequent encounter
- S66.313SStrain of extensor muscle, fascia and tendon of left middle finger at wrist and hand level, sequela
- S66.314AStrain of extensor muscle, fascia and tendon of right ring finger at wrist and hand level, initial encounter
- S66.314DStrain of extensor muscle, fascia and tendon of right ring finger at wrist and hand level, subsequent encounter
- S66.314SStrain of extensor muscle, fascia and tendon of right ring finger at wrist and hand level, sequela
- S66.315AStrain of extensor muscle, fascia and tendon of left ring finger at wrist and hand level, initial encounter
- S66.315DStrain of extensor muscle, fascia and tendon of left ring finger at wrist and hand level, subsequent encounter
- S66.315SStrain of extensor muscle, fascia and tendon of left ring finger at wrist and hand level, sequela
- S66.316AStrain of extensor muscle, fascia and tendon of right little finger at wrist and hand level, initial encounter
- S66.316DStrain of extensor muscle, fascia and tendon of right little finger at wrist and hand level, subsequent encounter
- S66.316SStrain of extensor muscle, fascia and tendon of right little finger at wrist and hand level, sequela
- S66.317AStrain of extensor muscle, fascia and tendon of left little finger at wrist and hand level, initial encounter
- S66.317DStrain of extensor muscle, fascia and tendon of left little finger at wrist and hand level, subsequent encounter
- S66.317SStrain of extensor muscle, fascia and tendon of left little finger at wrist and hand level, sequela
- S66.318AStrain of extensor muscle, fascia and tendon of other finger at wrist and hand level, initial encounter
- S66.318DStrain of extensor muscle, fascia and tendon of other finger at wrist and hand level, subsequent encounter
- S66.318SStrain of extensor muscle, fascia and tendon of other finger at wrist and hand level, sequela
- S66.319AStrain of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level, initial encounter
- S66.319DStrain of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level, subsequent encounter
- S66.319SStrain of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level, sequela
- S66.320ALaceration of extensor muscle, fascia and tendon of right index finger at wrist and hand level, initial encounter
- S66.320DLaceration of extensor muscle, fascia and tendon of right index finger at wrist and hand level, subsequent encounter
- S66.320SLaceration of extensor muscle, fascia and tendon of right index finger at wrist and hand level, sequela
- S66.321ALaceration of extensor muscle, fascia and tendon of left index finger at wrist and hand level, initial encounter
- S66.321DLaceration of extensor muscle, fascia and tendon of left index finger at wrist and hand level, subsequent encounter
- S66.321SLaceration of extensor muscle, fascia and tendon of left index finger at wrist and hand level, sequela
- S66.322ALaceration of extensor muscle, fascia and tendon of right middle finger at wrist and hand level, initial encounter
- S66.322DLaceration of extensor muscle, fascia and tendon of right middle finger at wrist and hand level, subsequent encounter
- S66.322SLaceration of extensor muscle, fascia and tendon of right middle finger at wrist and hand level, sequela
- S66.323ALaceration of extensor muscle, fascia and tendon of left middle finger at wrist and hand level, initial encounter
- S66.323DLaceration of extensor muscle, fascia and tendon of left middle finger at wrist and hand level, subsequent encounter
- S66.323SLaceration of extensor muscle, fascia and tendon of left middle finger at wrist and hand level, sequela
- S66.324ALaceration of extensor muscle, fascia and tendon of right ring finger at wrist and hand level, initial encounter
- S66.324DLaceration of extensor muscle, fascia and tendon of right ring finger at wrist and hand level, subsequent encounter
- S66.324SLaceration of extensor muscle, fascia and tendon of right ring finger at wrist and hand level, sequela
- S66.325ALaceration of extensor muscle, fascia and tendon of left ring finger at wrist and hand level, initial encounter
- S66.325DLaceration of extensor muscle, fascia and tendon of left ring finger at wrist and hand level, subsequent encounter
- S66.325SLaceration of extensor muscle, fascia and tendon of left ring finger at wrist and hand level, sequela
- S66.326ALaceration of extensor muscle, fascia and tendon of right little finger at wrist and hand level, initial encounter
- S66.326DLaceration of extensor muscle, fascia and tendon of right little finger at wrist and hand level, subsequent encounter
- S66.326SLaceration of extensor muscle, fascia and tendon of right little finger at wrist and hand level, sequela
- S66.327ALaceration of extensor muscle, fascia and tendon of left little finger at wrist and hand level, initial encounter
- S66.327DLaceration of extensor muscle, fascia and tendon of left little finger at wrist and hand level, subsequent encounter
- S66.327SLaceration of extensor muscle, fascia and tendon of left little finger at wrist and hand level, sequela
- S66.328ALaceration of extensor muscle, fascia and tendon of other finger at wrist and hand level, initial encounter
- S66.328DLaceration of extensor muscle, fascia and tendon of other finger at wrist and hand level, subsequent encounter
- S66.328SLaceration of extensor muscle, fascia and tendon of other finger at wrist and hand level, sequela
- S66.329ALaceration of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level, initial encounter
- S66.329DLaceration of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level, subsequent encounter
- S66.329SLaceration of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level, sequela
- S66.390AOther injury of extensor muscle, fascia and tendon of right index finger at wrist and hand level, initial encounter
- S66.390DOther injury of extensor muscle, fascia and tendon of right index finger at wrist and hand level, subsequent encounter
- S66.390SOther injury of extensor muscle, fascia and tendon of right index finger at wrist and hand level, sequela
- S66.391AOther injury of extensor muscle, fascia and tendon of left index finger at wrist and hand level, initial encounter
- S66.391DOther injury of extensor muscle, fascia and tendon of left index finger at wrist and hand level, subsequent encounter
- S66.391SOther injury of extensor muscle, fascia and tendon of left index finger at wrist and hand level, sequela
- S66.392AOther injury of extensor muscle, fascia and tendon of right middle finger at wrist and hand level, initial encounter
- S66.392DOther injury of extensor muscle, fascia and tendon of right middle finger at wrist and hand level, subsequent encounter
- S66.392SOther injury of extensor muscle, fascia and tendon of right middle finger at wrist and hand level, sequela
- S66.393AOther injury of extensor muscle, fascia and tendon of left middle finger at wrist and hand level, initial encounter
- S66.393DOther injury of extensor muscle, fascia and tendon of left middle finger at wrist and hand level, subsequent encounter
- S66.393SOther injury of extensor muscle, fascia and tendon of left middle finger at wrist and hand level, sequela
- S66.394AOther injury of extensor muscle, fascia and tendon of right ring finger at wrist and hand level, initial encounter
- S66.394DOther injury of extensor muscle, fascia and tendon of right ring finger at wrist and hand level, subsequent encounter
- S66.394SOther injury of extensor muscle, fascia and tendon of right ring finger at wrist and hand level, sequela
- S66.395AOther injury of extensor muscle, fascia and tendon of left ring finger at wrist and hand level, initial encounter
- S66.395DOther injury of extensor muscle, fascia and tendon of left ring finger at wrist and hand level, subsequent encounter
- S66.395SOther injury of extensor muscle, fascia and tendon of left ring finger at wrist and hand level, sequela
- S66.396AOther injury of extensor muscle, fascia and tendon of right little finger at wrist and hand level, initial encounter
- S66.396DOther injury of extensor muscle, fascia and tendon of right little finger at wrist and hand level, subsequent encounter
- S66.396SOther injury of extensor muscle, fascia and tendon of right little finger at wrist and hand level, sequela
- S66.397AOther injury of extensor muscle, fascia and tendon of left little finger at wrist and hand level, initial encounter
- S66.397DOther injury of extensor muscle, fascia and tendon of left little finger at wrist and hand level, subsequent encounter
- S66.397SOther injury of extensor muscle, fascia and tendon of left little finger at wrist and hand level, sequela
- S66.398AOther injury of extensor muscle, fascia and tendon of other finger at wrist and hand level, initial encounter
- S66.398DOther injury of extensor muscle, fascia and tendon of other finger at wrist and hand level, subsequent encounter
- S66.398SOther injury of extensor muscle, fascia and tendon of other finger at wrist and hand level, sequela
- S66.399AOther injury of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level, initial encounter
- S66.399DOther injury of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level, subsequent encounter
- S66.399SOther injury of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level, sequela
- S66.401AUnspecified injury of intrinsic muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter
- S66.401DUnspecified injury of intrinsic muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter
- S66.401SUnspecified injury of intrinsic muscle, fascia and tendon of right thumb at wrist and hand level, sequela
- S66.402AUnspecified injury of intrinsic muscle, fascia and tendon of left thumb at wrist and hand level, initial encounter
- S66.402DUnspecified injury of intrinsic muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter
- S66.402SUnspecified injury of intrinsic muscle, fascia and tendon of left thumb at wrist and hand level, sequela
- S66.409AUnspecified injury of intrinsic muscle, fascia and tendon of unspecified thumb at wrist and hand level, initial encounter
- S66.409DUnspecified injury of intrinsic muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter
- S66.409SUnspecified injury of intrinsic muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela
- S66.411AStrain of intrinsic muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter
- S66.411DStrain of intrinsic muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter
- S66.411SStrain of intrinsic muscle, fascia and tendon of right thumb at wrist and hand level, sequela
- S66.412AStrain of intrinsic muscle, fascia and tendon of left thumb at wrist and hand level, initial encounter
- S66.412DStrain of intrinsic muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter
- S66.412SStrain of intrinsic muscle, fascia and tendon of left thumb at wrist and hand level, sequela
- S66.419AStrain of intrinsic muscle, fascia and tendon of unspecified thumb at wrist and hand level, initial encounter
- S66.419DStrain of intrinsic muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter
- S66.419SStrain of intrinsic muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela
- S66.421ALaceration of intrinsic muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter
- S66.421DLaceration of intrinsic muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter
- S66.421SLaceration of intrinsic muscle, fascia and tendon of right thumb at wrist and hand level, sequela
- S66.422ALaceration of intrinsic muscle, fascia and tendon of left thumb at wrist and hand level, initial encounter
- S66.422DLaceration of intrinsic muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter
- S66.422SLaceration of intrinsic muscle, fascia and tendon of left thumb at wrist and hand level, sequela
- S66.429ALaceration of intrinsic muscle, fascia and tendon of unspecified thumb at wrist and hand level, initial encounter
- S66.429DLaceration of intrinsic muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter
- S66.429SLaceration of intrinsic muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela
- S66.491AOther specified injury of intrinsic muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter
- S66.491DOther specified injury of intrinsic muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter
- S66.491SOther specified injury of intrinsic muscle, fascia and tendon of right thumb at wrist and hand level, sequela
- S66.492AOther specified injury of intrinsic muscle, fascia and tendon of left thumb at wrist and hand level, initial encounter
- S66.492DOther specified injury of intrinsic muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter
- S66.492SOther specified injury of intrinsic muscle, fascia and tendon of left thumb at wrist and hand level, sequela
- S66.499AOther specified injury of intrinsic muscle, fascia and tendon of unspecified thumb at wrist and hand level, initial encounter
- S66.499DOther specified injury of intrinsic muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter
- S66.499SOther specified injury of intrinsic muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela
- S66.500AUnspecified injury of intrinsic muscle, fascia and tendon of right index finger at wrist and hand level, initial encounter
- S66.500DUnspecified injury of intrinsic muscle, fascia and tendon of right index finger at wrist and hand level, subsequent encounter
- S66.500SUnspecified injury of intrinsic muscle, fascia and tendon of right index finger at wrist and hand level, sequela
- S66.501AUnspecified injury of intrinsic muscle, fascia and tendon of left index finger at wrist and hand level, initial encounter
- S66.501DUnspecified injury of intrinsic muscle, fascia and tendon of left index finger at wrist and hand level, subsequent encounter
- S66.501SUnspecified injury of intrinsic muscle, fascia and tendon of left index finger at wrist and hand level, sequela
- S66.502AUnspecified injury of intrinsic muscle, fascia and tendon of right middle finger at wrist and hand level, initial encounter
- S66.502DUnspecified injury of intrinsic muscle, fascia and tendon of right middle finger at wrist and hand level, subsequent encounter
- S66.502SUnspecified injury of intrinsic muscle, fascia and tendon of right middle finger at wrist and hand level, sequela
- S66.503AUnspecified injury of intrinsic muscle, fascia and tendon of left middle finger at wrist and hand level, initial encounter
- S66.503DUnspecified injury of intrinsic muscle, fascia and tendon of left middle finger at wrist and hand level, subsequent encounter
- S66.503SUnspecified injury of intrinsic muscle, fascia and tendon of left middle finger at wrist and hand level, sequela
- S66.504AUnspecified injury of intrinsic muscle, fascia and tendon of right ring finger at wrist and hand level, initial encounter
- S66.504DUnspecified injury of intrinsic muscle, fascia and tendon of right ring finger at wrist and hand level, subsequent encounter
- S66.504SUnspecified injury of intrinsic muscle, fascia and tendon of right ring finger at wrist and hand level, sequela
- S66.505AUnspecified injury of intrinsic muscle, fascia and tendon of left ring finger at wrist and hand level, initial encounter
- S66.505DUnspecified injury of intrinsic muscle, fascia and tendon of left ring finger at wrist and hand level, subsequent encounter
- S66.505SUnspecified injury of intrinsic muscle, fascia and tendon of left ring finger at wrist and hand level, sequela
- S66.506AUnspecified injury of intrinsic muscle, fascia and tendon of right little finger at wrist and hand level, initial encounter
- S66.506DUnspecified injury of intrinsic muscle, fascia and tendon of right little finger at wrist and hand level, subsequent encounter
- S66.506SUnspecified injury of intrinsic muscle, fascia and tendon of right little finger at wrist and hand level, sequela
- S66.507AUnspecified injury of intrinsic muscle, fascia and tendon of left little finger at wrist and hand level, initial encounter
- S66.507DUnspecified injury of intrinsic muscle, fascia and tendon of left little finger at wrist and hand level, subsequent encounter
- S66.507SUnspecified injury of intrinsic muscle, fascia and tendon of left little finger at wrist and hand level, sequela
- S66.508AUnspecified injury of intrinsic muscle, fascia and tendon of other finger at wrist and hand level, initial encounter
- S66.508DUnspecified injury of intrinsic muscle, fascia and tendon of other finger at wrist and hand level, subsequent encounter
- S66.508SUnspecified injury of intrinsic muscle, fascia and tendon of other finger at wrist and hand level, sequela
- S66.509AUnspecified injury of intrinsic muscle, fascia and tendon of unspecified finger at wrist and hand level, initial encounter
- S66.509DUnspecified injury of intrinsic muscle, fascia and tendon of unspecified finger at wrist and hand level, subsequent encounter
- S66.509SUnspecified injury of intrinsic muscle, fascia and tendon of unspecified finger at wrist and hand level, sequela
- S66.510AStrain of intrinsic muscle, fascia and tendon of right index finger at wrist and hand level, initial encounter
- S66.510DStrain of intrinsic muscle, fascia and tendon of right index finger at wrist and hand level, subsequent encounter
- S66.510SStrain of intrinsic muscle, fascia and tendon of right index finger at wrist and hand level, sequela
- S66.511AStrain of intrinsic muscle, fascia and tendon of left index finger at wrist and hand level, initial encounter
- S66.511DStrain of intrinsic muscle, fascia and tendon of left index finger at wrist and hand level, subsequent encounter
- S66.511SStrain of intrinsic muscle, fascia and tendon of left index finger at wrist and hand level, sequela
- S66.512AStrain of intrinsic muscle, fascia and tendon of right middle finger at wrist and hand level, initial encounter
- S66.512DStrain of intrinsic muscle, fascia and tendon of right middle finger at wrist and hand level, subsequent encounter
- S66.512SStrain of intrinsic muscle, fascia and tendon of right middle finger at wrist and hand level, sequela
- S66.513AStrain of intrinsic muscle, fascia and tendon of left middle finger at wrist and hand level, initial encounter
- S66.513DStrain of intrinsic muscle, fascia and tendon of left middle finger at wrist and hand level, subsequent encounter
- S66.513SStrain of intrinsic muscle, fascia and tendon of left middle finger at wrist and hand level, sequela
- S66.514AStrain of intrinsic muscle, fascia and tendon of right ring finger at wrist and hand level, initial encounter
- S66.514DStrain of intrinsic muscle, fascia and tendon of right ring finger at wrist and hand level, subsequent encounter
- S66.514SStrain of intrinsic muscle, fascia and tendon of right ring finger at wrist and hand level, sequela
- S66.515AStrain of intrinsic muscle, fascia and tendon of left ring finger at wrist and hand level, initial encounter
- S66.515DStrain of intrinsic muscle, fascia and tendon of left ring finger at wrist and hand level, subsequent encounter
- S66.515SStrain of intrinsic muscle, fascia and tendon of left ring finger at wrist and hand level, sequela
- S66.516AStrain of intrinsic muscle, fascia and tendon of right little finger at wrist and hand level, initial encounter
- S66.516DStrain of intrinsic muscle, fascia and tendon of right little finger at wrist and hand level, subsequent encounter
- S66.516SStrain of intrinsic muscle, fascia and tendon of right little finger at wrist and hand level, sequela
- S66.517AStrain of intrinsic muscle, fascia and tendon of left little finger at wrist and hand level, initial encounter
S66 questions
What does S66 mean?
S66 is the ICD-10-CM code for Injury of muscle, fascia and tendon at wrist and hand level. It is in chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.