S43.21 — Anterior subluxation and dislocation of sternoclavicular joint
Is S43.21 billable?
No — S43.21 is a non-billable header code. S43.21 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 S43.21.
Billable codes under this header
- S43.211AAnterior subluxation of right sternoclavicular joint, initial encounter
- S43.211DAnterior subluxation of right sternoclavicular joint, subsequent encounter
- S43.211SAnterior subluxation of right sternoclavicular joint, sequela
- S43.212AAnterior subluxation of left sternoclavicular joint, initial encounter
- S43.212DAnterior subluxation of left sternoclavicular joint, subsequent encounter
- S43.212SAnterior subluxation of left sternoclavicular joint, sequela
- S43.213AAnterior subluxation of unspecified sternoclavicular joint, initial encounter
- S43.213DAnterior subluxation of unspecified sternoclavicular joint, subsequent encounter
- S43.213SAnterior subluxation of unspecified sternoclavicular joint, sequela
- S43.214AAnterior dislocation of right sternoclavicular joint, initial encounter
- S43.214DAnterior dislocation of right sternoclavicular joint, subsequent encounter
- S43.214SAnterior dislocation of right sternoclavicular joint, sequela
- S43.215AAnterior dislocation of left sternoclavicular joint, initial encounter
- S43.215DAnterior dislocation of left sternoclavicular joint, subsequent encounter
- S43.215SAnterior dislocation of left sternoclavicular joint, sequela
- S43.216AAnterior dislocation of unspecified sternoclavicular joint, initial encounter
- S43.216DAnterior dislocation of unspecified sternoclavicular joint, subsequent encounter
- S43.216SAnterior dislocation of unspecified sternoclavicular joint, sequela
S43.21 at a glance
| Code | S43.21 |
|---|---|
| Description | Anterior subluxation and dislocation of sternoclavicular joint |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is S43.21 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to S43.21. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Dislocation › sternoclavicular › anterior (articular)
- Subluxation › sternoclavicular › anterior
Use additional code — inherited from Chapter 19
Report an additional code alongside S43.21 to fully describe the condition. S43.21 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 S43.21, but a patient may have both at the same time. When documentation supports it, S43.21 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S40-S49
The conditions below are not part of S43.21, but a patient may have both at the same time. When documentation supports it, S43.21 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S43
The conditions below are not part of S43.21, but a patient may have both at the same time. When documentation supports it, S43.21 and the excluded code may both be reported.
- strain of muscle, fascia and tendon of shoulder and upper arm (S46.-)
Code also — inherited from S43
Two codes may be needed to describe the condition fully. Whether S43.21 is sequenced first depends on the reason for the encounter.
- any associated open wound
What codes fall under S43.21? (6)
- S43.211Anterior subluxation of right sternoclavicular jointnot billable
- S43.212Anterior subluxation of left sternoclavicular jointnot billable
- S43.213Anterior subluxation of unspecified sternoclavicular jointnot billable
- S43.214Anterior dislocation of right sternoclavicular jointnot billable
- S43.215Anterior dislocation of left sternoclavicular jointnot billable
- S43.216Anterior dislocation of unspecified sternoclavicular jointnot billable
How long has S43.21 existed?
S43.21 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.