S91.203S Unspecified open wound of unspecified great toe with damage to nail, sequela

Billable ICD-10-CM code, FY2026.

Built from S91.203 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

Code annotations containing back-references to S91.203S

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.-)")

Diagnosis Index entries for S91.203S

• Wound, open › toe (s) › great › damage to nail

Nearby codes

• S91.202D Unspecified open wound of left great toe with damage to nail, subsequent encounter
• S91.202S Unspecified open wound of left great toe with damage to nail, sequela
• S91.203 Unspecified open wound of unspecified great toe with damage to nail
• S91.203A Unspecified open wound of unspecified great toe with damage to nail, initial encounter
• S91.203D Unspecified open wound of unspecified great toe with damage to nail, subsequent encounter
• S91.203S Unspecified open wound of unspecified great toe with damage to nail, sequela (this code)
• S91.204 Unspecified open wound of right lesser toe(s) with damage to nail
• S91.204A Unspecified open wound of right lesser toe(s) with damage to nail, initial encounter
• S91.204D Unspecified open wound of right lesser toe(s) with damage to nail, subsequent encounter
• S91.204S Unspecified open wound of right lesser toe(s) with damage to nail, sequela
• S91.205 Unspecified open wound of left lesser toe(s) with damage to nail