ICD-10-CM 2027
ICD-10 code for ankle bite
From the official ICD-10-CM alphabetic index entry “Bite (s) (animal) (human) › ankle”. Page updated September 29, 2026.
About coding ankle bite
The ICD-10-CM code for ankle bite is S91.05 (Open bite of ankle). The official index lists 2 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on S91.05.
Within S91.0 (open wound of ankle), S91.05 is specifically for open bite of ankle. Related codes cover unspecified open wound of ankle (S91.00), laceration without foreign body of ankle (S91.01), laceration with foreign body of ankle (S91.02), puncture wound without foreign body of ankle (S91.03) and puncture wound with foreign body of ankle (S91.04).
Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.
Don't report S91.05 together with the conditions in its Excludes1 note: superficial bite of ankle (S90.56-, S90.57-).
More specific ankle bite codes (official index)
Don't confuse with (Excludes1 for S91.05)
Common questions about ankle bite ICD-10 codes
What is the ICD-10 code for ankle bite?
- S91.05 — Open bite of ankle (a header code; report a more specific subcode). More specific codes apply when the documentation supports them: S90.57, S90.56.
What is the ICD-10 code for superficial nec ankle bite?
- S90.57 — Other superficial bite of ankle (header code; choose a more specific subcode).
Is S91.05 billable?
- No. S91.05 is a header code. Report one of its more specific subcodes instead.