S90.445A External constriction, left lesser toe(s), initial encounter

Billable ICD-10-CM code, FY2026.

Built from S90.445 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 S90.44 External constriction of toe

Applicable to

• Hair tourniquet syndrome of toe

Code annotations containing back-references to S90.445A

Back-references to S90

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

Nearby codes

• S90.444 External constriction, right lesser toe(s)
• S90.444A External constriction, right lesser toe(s), initial encounter
• S90.444D External constriction, right lesser toe(s), subsequent encounter
• S90.444S External constriction, right lesser toe(s), sequela
• S90.445 External constriction, left lesser toe(s)
• S90.445A External constriction, left lesser toe(s), initial encounter (this code)
• 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