S63.404A — Traumatic rupture of unspecified ligament of right ring finger at metacarpophalangeal and interphalangeal joint, initial encounter
Is S63.404A billable?
Yes, but S63.404A is an unspecified code. S63.404A is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, S63.404A is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting S63.404A — the more specific alternatives are listed below.
More specific alternatives
- S63.410ATraumatic rupture of collateral ligament of right index finger at metacarpophalangeal and interphalangeal joint, initial encounter
- S63.420ATraumatic rupture of palmar ligament of right index finger at metacarpophalangeal and interphalangeal joint, initial encounter
- S63.430ATraumatic rupture of volar plate of right index finger at metacarpophalangeal and interphalangeal joint, initial encounter
- S63.490ATraumatic rupture of other ligament of right index finger at metacarpophalangeal and interphalangeal joint, initial encounter
S63.404A at a glance
| Code | S63.404A |
|---|---|
| Description | Traumatic rupture of unspecified ligament of right ring finger at metacarpophalangeal and interphalangeal joint, initial encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "A" | initial encounter |
What does the 7th character "A" mean in S63.404A?
In S63.404A, the 7th character A means initial encounter. The 7th character is required for S63.404A to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S63.404A group to?
S63.404A sits in MDC 08 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 562Fracture, Sprain, Strain and Dislocation Except Femur, Hip, Pelvis and Thigh with MCCmedical
- 563Fracture, Sprain, Strain and Dislocation Except Femur, Hip, Pelvis and Thigh without MCCmedical
How is S63.404A listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S63.40, the nearest indexed parent of S63.404A. Use them to find the family, then select the specific code.
- Rupture, ruptured › traumatic › ligament › finger
- Rupture, ruptured › traumatic › ligament › finger › index
- Rupture, ruptured › traumatic › ligament › finger › little
- Rupture, ruptured › traumatic › ligament › finger › middle
- Rupture, ruptured › traumatic › ligament › finger › ring
Use additional code — inherited from Chapter 19
Report an additional code alongside S63.404A to fully describe the condition. S63.404A 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 S63.404A, but a patient may have both at the same time. When documentation supports it, S63.404A and the excluded code may both be reported.
Excludes2 — not included here — inherited from S60-S69
The conditions below are not part of S63.404A, but a patient may have both at the same time. When documentation supports it, S63.404A and the excluded code may both be reported.
Excludes2 — not included here — inherited from S63
The conditions below are not part of S63.404A, but a patient may have both at the same time. When documentation supports it, S63.404A 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 S63.404A is sequenced first depends on the reason for the encounter.
- any associated open wound
How long has S63.404A existed?
S63.404A 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.