S90.446S External constriction, unspecified lesser toe(s), sequela

Billable ICD-10-CM code, FY2026.

Built from S90.446 with 7th character S (sequela).

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 S90.44 External constriction of toe

Applicable to

• Hair tourniquet syndrome of toe

Code annotations containing back-references to S90.446S

Back-references to S90

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

Nearby codes

• S90.445D External constriction, left lesser toe(s), subsequent encounter
• S90.445S External constriction, left lesser toe(s), sequela
• S90.446 External constriction, unspecified lesser toe(s)
• S90.446A External constriction, unspecified lesser toe(s), initial encounter
• S90.446D External constriction, unspecified lesser toe(s), subsequent encounter
• S90.446S External constriction, unspecified lesser toe(s), sequela (this code)
• S90.45 Superficial foreign body of toe
• S90.451 Superficial foreign body, right great toe
• S90.451A Superficial foreign body, right great toe, initial encounter
• S90.451D Superficial foreign body, right great toe, subsequent encounter
• S90.451S Superficial foreign body, right great toe, sequela