S91.359S Open bite, unspecified foot, sequela
Billable ICD-10-CM code, FY2026.
Built from S91.359 with 7th character S (sequela).
Applies from S91 Open wound of ankle, foot and toes
Excludes1 (never code together)
- open fracture of ankle, foot and toes (S92.-with 7th character B)
- traumatic amputation of ankle and foot (S98.-)
Code also
- any associated wound infection
7th character note
- The appropriate 7th character is to be added to each code from category S91
7th character required
- A — initial encounter
- D — subsequent encounter
- S — sequela
Applies from S91.35 Open bite of foot
Excludes1 (never code together)
- superficial bite of foot (S90.86-, S90.87-)
Code annotations containing back-references to S91.359S
Back-references to S91.35
- Type 1 Excludes:
S90.87 Other superficial bite of foot ("open bite of foot (S91.35-)")
Back-references to S91
- Type 2 Excludes:
S71 Open wound of hip and thigh ("open wound of ankle, foot and toes (S91.-)") - Type 2 Excludes:
S81 Open wound of knee and lower leg ("open wound of ankle and foot (S91.-)") - Code Also:
S94 Injury of nerves at ankle and foot level ("any associated open wound (S91.-)") - Code Also:
S95 Injury of blood vessels at ankle and foot level ("any associated open wound (S91.-)") - Code Also:
S96 Injury of muscle and tendon at ankle and foot level ("any associated open wound (S91.-)")
Nearby codes
S91.352D Open bite, left foot, subsequent encounterS91.352S Open bite, left foot, sequelaS91.359 Open bite, unspecified footS91.359A Open bite, unspecified foot, initial encounterS91.359D Open bite, unspecified foot, subsequent encounterS91.359S Open bite, unspecified foot, sequela (this code)