S90.44 — External constriction of toe
Is S90.44 billable?
No — S90.44 is a non-billable header code. S90.44 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 18 billable codes beneath S90.44.
Billable codes under this header
- S90.441AExternal constriction, right great toe, initial encounter
- S90.441DExternal constriction, right great toe, subsequent encounter
- S90.441SExternal constriction, right great toe, sequela
- S90.442AExternal constriction, left great toe, initial encounter
- S90.442DExternal constriction, left great toe, subsequent encounter
- S90.442SExternal constriction, left great toe, sequela
- S90.443AExternal constriction, unspecified great toe, initial encounter
- S90.443DExternal constriction, unspecified great toe, subsequent encounter
- S90.443SExternal constriction, unspecified great toe, sequela
- S90.444AExternal constriction, right lesser toe(s), initial encounter
- S90.444DExternal constriction, right lesser toe(s), subsequent encounter
- S90.444SExternal constriction, right lesser toe(s), sequela
- S90.445AExternal constriction, left lesser toe(s), initial encounter
- S90.445DExternal constriction, left lesser toe(s), subsequent encounter
- S90.445SExternal constriction, left lesser toe(s), sequela
- S90.446AExternal constriction, unspecified lesser toe(s), initial encounter
- S90.446DExternal constriction, unspecified lesser toe(s), subsequent encounter
- S90.446SExternal constriction, unspecified lesser toe(s), sequela
S90.44 at a glance
| Code | S90.44 |
|---|---|
| Description | External constriction of toe |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is S90.44 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to S90.44. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Constriction › external › toe
- Hair › tourniquet syndrome › toe
- Constriction › external › toe › great
Inclusion terms
Alternative wording in documentation that is classified to S90.44.
- Hair tourniquet syndrome of toe
Use additional code — inherited from Chapter 19
Report an additional code alongside S90.44 to fully describe the condition. S90.44 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of S90.44, but a patient may have both at the same time. When documentation supports it, S90.44 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S90-S99
The conditions below are not part of S90.44, but a patient may have both at the same time. When documentation supports it, S90.44 and the excluded code may both be reported.
What codes fall under S90.44? (6)
- S90.441External constriction, right great toenot billable
- S90.442External constriction, left great toenot billable
- S90.443External constriction, unspecified great toenot billable
- S90.444External constriction, right lesser toe(s)not billable
- S90.445External constriction, left lesser toe(s)not billable
- S90.446External constriction, unspecified lesser toe(s)not billable
How long has S90.44 existed?
S90.44 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.