S63.638 — Sprain of interphalangeal joint of other finger
Is S63.638 billable?
No — S63.638 is a non-billable header code. S63.638 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 S63.638.
S63.638 at a glance
| Code | S63.638 |
|---|---|
| Description | Sprain of interphalangeal joint of other finger |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is S63.638 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S63.63, the nearest indexed parent of S63.638. Use them to find the family, then select the specific code.
- Sprain › finger › interphalangeal (joint) (ligament)
- Sprain › finger › interphalangeal › index (joint) (ligament)
- Sprain › finger › interphalangeal › little (joint) (ligament)
- Sprain › finger › interphalangeal › middle (joint) (ligament)
- Sprain › finger › interphalangeal › ring (joint) (ligament)
Excludes1 — never code together — inherited from S63.6
The conditions below can never be reported together with S63.638 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- traumatic rupture of ligament of finger at metacarpophalangeal and interphalangeal joint(s) (S63.4-)
Use additional code — inherited from Chapter 19
Report an additional code alongside S63.638 to fully describe the condition. S63.638 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 S63.638, but a patient may have both at the same time. When documentation supports it, S63.638 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S60-S69
The conditions below are not part of S63.638, but a patient may have both at the same time. When documentation supports it, S63.638 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S63
The conditions below are not part of S63.638, but a patient may have both at the same time. When documentation supports it, S63.638 and the excluded code may both be reported.
- strain of muscle, fascia and tendon of wrist and hand (S66.-)
Code also — inherited from S63
Two codes may be needed to describe the condition fully. Whether S63.638 is sequenced first depends on the reason for the encounter.
- any associated open wound
What codes fall under S63.638? (3)
How long has S63.638 existed?
S63.638 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 S63.63 family? (9)
- S63.630Sprain of interphalangeal joint of right index fingernot billable
- S63.631Sprain of interphalangeal joint of left index fingernot billable
- S63.632Sprain of interphalangeal joint of right middle fingernot billable
- S63.633Sprain of interphalangeal joint of left middle fingernot billable
- S63.634Sprain of interphalangeal joint of right ring fingernot billable
- S63.635Sprain of interphalangeal joint of left ring fingernot billable
- S63.636Sprain of interphalangeal joint of right little fingernot billable
- S63.637Sprain of interphalangeal joint of left little fingernot billable
- S63.639Sprain of interphalangeal joint of unspecified fingernot billable