Is S91.0 a billable code?
No. S91.0 is a header code that groups 54 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
S91.0: Open wound of ankle
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
S91.0 groups related diagnoses under open wound of ankle. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under S91.0
- S91.001AUnspecified open wound, right ankle, initial encounter
- S91.001DUnspecified open wound, right ankle, subsequent encounter
- S91.001SUnspecified open wound, right ankle, sequela
- S91.002AUnspecified open wound, left ankle, initial encounter
- S91.002DUnspecified open wound, left ankle, subsequent encounter
- S91.002SUnspecified open wound, left ankle, sequela
- S91.009AUnspecified open wound, unspecified ankle, initial encounter
- S91.009DUnspecified open wound, unspecified ankle, subsequent encounter
- S91.009SUnspecified open wound, unspecified ankle, sequela
- S91.011ALaceration without foreign body, right ankle, initial encounter
- S91.011DLaceration without foreign body, right ankle, subsequent encounter
- S91.011SLaceration without foreign body, right ankle, sequela
- S91.012ALaceration without foreign body, left ankle, initial encounter
- S91.012DLaceration without foreign body, left ankle, subsequent encounter
- S91.012SLaceration without foreign body, left ankle, sequela
- S91.019ALaceration without foreign body, unspecified ankle, initial encounter
- S91.019DLaceration without foreign body, unspecified ankle, subsequent encounter
- S91.019SLaceration without foreign body, unspecified ankle, sequela
- S91.021ALaceration with foreign body, right ankle, initial encounter
- S91.021DLaceration with foreign body, right ankle, subsequent encounter
- S91.021SLaceration with foreign body, right ankle, sequela
- S91.022ALaceration with foreign body, left ankle, initial encounter
- S91.022DLaceration with foreign body, left ankle, subsequent encounter
- S91.022SLaceration with foreign body, left ankle, sequela
- S91.029ALaceration with foreign body, unspecified ankle, initial encounter
- S91.029DLaceration with foreign body, unspecified ankle, subsequent encounter
- S91.029SLaceration with foreign body, unspecified ankle, sequela
- S91.031APuncture wound without foreign body, right ankle, initial encounter
- S91.031DPuncture wound without foreign body, right ankle, subsequent encounter
- S91.031SPuncture wound without foreign body, right ankle, sequela
- S91.032APuncture wound without foreign body, left ankle, initial encounter
- S91.032DPuncture wound without foreign body, left ankle, subsequent encounter
- S91.032SPuncture wound without foreign body, left ankle, sequela
- S91.039APuncture wound without foreign body, unspecified ankle, initial encounter
- S91.039DPuncture wound without foreign body, unspecified ankle, subsequent encounter
- S91.039SPuncture wound without foreign body, unspecified ankle, sequela
- S91.041APuncture wound with foreign body, right ankle, initial encounter
- S91.041DPuncture wound with foreign body, right ankle, subsequent encounter
- S91.041SPuncture wound with foreign body, right ankle, sequela
- S91.042APuncture wound with foreign body, left ankle, initial encounter
- S91.042DPuncture wound with foreign body, left ankle, subsequent encounter
- S91.042SPuncture wound with foreign body, left ankle, sequela
- S91.049APuncture wound with foreign body, unspecified ankle, initial encounter
- S91.049DPuncture wound with foreign body, unspecified ankle, subsequent encounter
- S91.049SPuncture wound with foreign body, unspecified ankle, sequela
- S91.051AOpen bite, right ankle, initial encounter
- S91.051DOpen bite, right ankle, subsequent encounter
- S91.051SOpen bite, right ankle, sequela
- S91.052AOpen bite, left ankle, initial encounter
- S91.052DOpen bite, left ankle, subsequent encounter
- S91.052SOpen bite, left ankle, sequela
- S91.059AOpen bite, unspecified ankle, initial encounter
- S91.059DOpen bite, unspecified ankle, subsequent encounter
- S91.059SOpen bite, unspecified ankle, sequela
Other codes in S91 Open wound of ankle, foot and toes
S91.0 questions
What does S91.0 mean?
S91.0 is the ICD-10-CM code for Open wound of ankle. 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.