S91.009D Unspecified open wound, unspecified ankle, subsequent encounter

Billable ICD-10-CM code, FY2026.

Built from S91.009 with 7th character D (subsequent encounter).

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

Code annotations containing back-references to S91.009D

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

• S91.002A Unspecified open wound, left ankle, initial encounter
• S91.002D Unspecified open wound, left ankle, subsequent encounter
• S91.002S Unspecified open wound, left ankle, sequela
• S91.009 Unspecified open wound, unspecified ankle
• S91.009A Unspecified open wound, unspecified ankle, initial encounter
• S91.009D Unspecified open wound, unspecified ankle, subsequent encounter (this code)
• S91.009S Unspecified open wound, unspecified ankle, sequela
• S91.01 Laceration without foreign body of ankle
• S91.011 Laceration without foreign body, right ankle
• S91.011A Laceration without foreign body, right ankle, initial encounter
• S91.011D Laceration without foreign body, right ankle, subsequent encounter