S81.001 — Unspecified open wound, right knee
Is S81.001 billable?
No — S81.001 is a non-billable header code. S81.001 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 S81.001.
S81.001 at a glance
| Code | S81.001 |
|---|---|
| Description | Unspecified open wound, right knee |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is S81.001 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S81.00, the nearest indexed parent of S81.001. Use them to find the family, then select the specific code.
- Wound, open › knee
Excludes1 — never code together — inherited from S81
The conditions below can never be reported together with S81.001 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Use additional code — inherited from Chapter 19
Report an additional code alongside S81.001 to fully describe the condition. S81.001 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 S81.001, but a patient may have both at the same time. When documentation supports it, S81.001 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S80-S89
The conditions below are not part of S81.001, but a patient may have both at the same time. When documentation supports it, S81.001 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S81
The conditions below are not part of S81.001, but a patient may have both at the same time. When documentation supports it, S81.001 and the excluded code may both be reported.
- open wound of ankle and foot (S91.-)
Code also — inherited from S81
Two codes may be needed to describe the condition fully. Whether S81.001 is sequenced first depends on the reason for the encounter.
- any associated wound infection
What codes fall under S81.001? (3)
How long has S81.001 existed?
S81.001 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.