S90.579A Other superficial bite of ankle, unspecified ankle, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S90.579 with 7th character A (initial encounter).

Applies from S90 Superficial injury of ankle, foot and toes

7th character note

• The appropriate 7th character is to be added to each code from category S90

7th character required

• A — initial encounter
• D — subsequent encounter
• S — sequela

Applies from S90.57 Other superficial bite of ankle

Excludes1 (never code together)

• open bite of ankle (S91.05-)

Code annotations containing back-references to S90.579A

Back-references to S90.57

• Type 1 Excludes: S91.05 Open bite of ankle ("superficial bite of ankle (S90.56-, S90.57-)")

Back-references to S90

• Type 2 Excludes: S80 Superficial injury of knee and lower leg ("superficial injury of ankle and foot (S90.-)")

Nearby codes

• S90.572 Other superficial bite of ankle, left ankle
• S90.572A Other superficial bite of ankle, left ankle, initial encounter
• S90.572D Other superficial bite of ankle, left ankle, subsequent encounter
• S90.572S Other superficial bite of ankle, left ankle, sequela
• S90.579 Other superficial bite of ankle, unspecified ankle
• S90.579A Other superficial bite of ankle, unspecified ankle, initial encounter (this code)
• S90.579D Other superficial bite of ankle, unspecified ankle, subsequent encounter
• S90.579S Other superficial bite of ankle, unspecified ankle, sequela
• S90.8 Other superficial injuries of foot
• S90.81 Abrasion of foot
• S90.811 Abrasion, right foot