S99.921 — Unspecified injury of right foot
Is S99.921 billable?
No — S99.921 is a non-billable header code. S99.921 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 3 billable codes beneath S99.921.
S99.921 at a glance
| Code | S99.921 |
|---|---|
| Description | Unspecified injury of right foot |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is S99.921 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S99.92, the nearest indexed parent of S99.921. Use them to find the family, then select the specific code.
- Injury › foot
- Injury › toe
Use additional code — inherited from Chapter 19
Report an additional code alongside S99.921 to fully describe the condition. S99.921 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 S99.921, but a patient may have both at the same time. When documentation supports it, S99.921 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S90-S99
The conditions below are not part of S99.921, but a patient may have both at the same time. When documentation supports it, S99.921 and the excluded code may both be reported.
What codes fall under S99.921? (3)
How long has S99.921 existed?
S99.921 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.