S90.44 External constriction of toe

Non-billable header with 6 child codes.

Applicable to

• Hair tourniquet syndrome of toe

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

Codes under S90.44

• S90.441 External constriction, right great toe
• S90.442 External constriction, left great toe
• S90.443 External constriction, unspecified great toe
• S90.444 External constriction, right lesser toe(s)
• S90.445 External constriction, left lesser toe(s)
• S90.446 External constriction, unspecified lesser toe(s)

Code annotations containing back-references to S90.44

Back-references to S90

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

Diagnosis Index entries for S90.44

• Constriction › external › toe (s) (lesser)
• Constriction › external › toe (s) (lesser) › great
• Hair › tourniquet syndrome › toe

Nearby codes

• S90.425S Blister (nonthermal), left lesser toe(s), sequela
• S90.426 Blister (nonthermal), unspecified lesser toe(s)
• S90.426A Blister (nonthermal), unspecified lesser toe(s), initial encounter
• S90.426D Blister (nonthermal), unspecified lesser toe(s), subsequent encounter
• S90.426S Blister (nonthermal), unspecified lesser toe(s), sequela
• S90.44 External constriction of toe (this code)
• S90.441 External constriction, right great toe
• S90.441A External constriction, right great toe, initial encounter
• S90.441D External constriction, right great toe, subsequent encounter
• S90.441S External constriction, right great toe, sequela
• S90.442 External constriction, left great toe