S63.042 — Subluxation of carpometacarpal joint of left thumb
Is S63.042 billable?
No — S63.042 is a non-billable header code. S63.042 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 S63.042.
S63.042 at a glance
| Code | S63.042 |
|---|---|
| Description | Subluxation of carpometacarpal joint of left thumb |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is S63.042 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S63.04, the nearest indexed parent of S63.042. Use them to find the family, then select the specific code.
- Dislocation › carpometacarpalNEC › thumb (articular)
- Subluxation › carpometacarpalNEC › thumb
Use additional code — inherited from Chapter 19
Report an additional code alongside S63.042 to fully describe the condition. S63.042 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 S63.042, but a patient may have both at the same time. When documentation supports it, S63.042 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S60-S69
The conditions below are not part of S63.042, but a patient may have both at the same time. When documentation supports it, S63.042 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S63
The conditions below are not part of S63.042, but a patient may have both at the same time. When documentation supports it, S63.042 and the excluded code may both be reported.
- strain of muscle, fascia and tendon of wrist and hand (S66.-)
Excludes2 — not included here — inherited from S63.04
The conditions below are not part of S63.042, but a patient may have both at the same time. When documentation supports it, S63.042 and the excluded code may both be reported.
- interphalangeal subluxation and dislocation of thumb (S63.1-)
Code also — inherited from S63
Two codes may be needed to describe the condition fully. Whether S63.042 is sequenced first depends on the reason for the encounter.
- any associated open wound
What codes fall under S63.042? (3)
How long has S63.042 existed?
S63.042 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 S63.04 family? (5)
- S63.041Subluxation of carpometacarpal joint of right thumbnot billable
- S63.043Subluxation of carpometacarpal joint of unspecified thumbnot billable
- S63.044Dislocation of carpometacarpal joint of right thumbnot billable
- S63.045Dislocation of carpometacarpal joint of left thumbnot billable
- S63.046Dislocation of carpometacarpal joint of unspecified thumbnot billable