S83.122 — Posterior subluxation of proximal end of tibia, left knee
Is S83.122 billable?
No — S83.122 is a non-billable header code. S83.122 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 S83.122.
S83.122 at a glance
| Code | S83.122 |
|---|---|
| Description | Posterior subluxation of proximal end of tibia, left knee |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is S83.122 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S83.12, the nearest indexed parent of S83.122. Use them to find the family, then select the specific code.
- Dislocation › knee › proximal tibia › posteriorly (articular)
- Subluxation › knee › proximal tibia › posteriorly
Use additional code — inherited from Chapter 19
Report an additional code alongside S83.122 to fully describe the condition. S83.122 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 S83.122, but a patient may have both at the same time. When documentation supports it, S83.122 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S80-S89
The conditions below are not part of S83.122, but a patient may have both at the same time. When documentation supports it, S83.122 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S83
The conditions below are not part of S83.122, but a patient may have both at the same time. When documentation supports it, S83.122 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S83.1
The conditions below are not part of S83.122, but a patient may have both at the same time. When documentation supports it, S83.122 and the excluded code may both be reported.
Code also — inherited from S83
Two codes may be needed to describe the condition fully. Whether S83.122 is sequenced first depends on the reason for the encounter.
- any associated open wound
What codes fall under S83.122? (3)
How long has S83.122 existed?
S83.122 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.
What other codes are in the S83.12 family? (5)
- S83.121Posterior subluxation of proximal end of tibia, right kneenot billable
- S83.123Posterior subluxation of proximal end of tibia, unspecified kneenot billable
- S83.124Posterior dislocation of proximal end of tibia, right kneenot billable
- S83.125Posterior dislocation of proximal end of tibia, left kneenot billable
- S83.126Posterior dislocation of proximal end of tibia, unspecified kneenot billable