S99.811A Other specified injuries of right ankle, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S99.811 with 7th character A (initial encounter).

Applies from S99.8 Other specified injuries of ankle and foot

7th character note

• The appropriate 7th character is to be added to each code from subcategory S99.8

7th character required

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

Code annotations containing back-references to S99.811A

Back-references to S99

• Type 2 Excludes: S89 Other and unspecified injuries of lower leg ("other and unspecified injuries of ankle and foot (S99.-)")

Nearby codes

• S99.299P Other physeal fracture of phalanx of unspecified toe, subsequent encounter for fracture with malunion
• S99.299S Other physeal fracture of phalanx of unspecified toe, sequela
• S99.8 Other specified injuries of ankle and foot
• S99.81 Other specified injuries of ankle
• S99.811 Other specified injuries of right ankle
• S99.811A Other specified injuries of right ankle, initial encounter (this code)
• S99.811D Other specified injuries of right ankle, subsequent encounter
• S99.811S Other specified injuries of right ankle, sequela
• S99.812 Other specified injuries of left ankle
• S99.812A Other specified injuries of left ankle, initial encounter
• S99.812D Other specified injuries of left ankle, subsequent encounter