Is S66.104 a billable code?
No. S66.104 is a header code that groups 3 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
S66.104: Unspecified injury of flexor muscle, fascia and tendon of right ring finger at wrist and hand level
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
S66.104 groups related diagnoses under unspecified injury of flexor muscle, fascia and tendon of right ring finger 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 S66.104
- 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
Other codes in S66.10 Unspecified injury of flexor muscle, fascia and tendon of other and unspecified finger at wrist and hand level
- S66.100Unspecified injury of flexor muscle, fascia and tendon of right index finger at wrist and hand levelheader
- S66.101Unspecified injury of flexor muscle, fascia and tendon of left index finger at wrist and hand levelheader
- S66.102Unspecified injury of flexor muscle, fascia and tendon of right middle finger at wrist and hand levelheader
- S66.103Unspecified injury of flexor muscle, fascia and tendon of left middle finger at wrist and hand levelheader
- S66.105Unspecified injury of flexor muscle, fascia and tendon of left ring finger at wrist and hand levelheader
- S66.106Unspecified injury of flexor muscle, fascia and tendon of right little finger at wrist and hand levelheader
- S66.107Unspecified injury of flexor muscle, fascia and tendon of left little finger at wrist and hand levelheader
- S66.108Unspecified injury of flexor muscle, fascia and tendon of other finger at wrist and hand levelheader
- S66.109Unspecified injury of flexor muscle, fascia and tendon of unspecified finger at wrist and hand levelheader
S66.104 questions
What does S66.104 mean?
S66.104 is the ICD-10-CM code for Unspecified injury of flexor muscle, fascia and tendon of right ring finger 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.