S58.921D — Partial traumatic amputation of right forearm, level unspecified, subsequent encounter
Is S58.921D billable?
Yes, but S58.921D is an unspecified code. S58.921D is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, S58.921D 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 S58.921D — the more specific alternatives are listed below.
S58.921D at a glance
| Code | S58.921D |
|---|---|
| Description | Partial traumatic amputation of right forearm, level unspecified, subsequent encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "D" | subsequent encounter |
What does the 7th character "D" mean in S58.921D?
In S58.921D, the 7th character D means subsequent encounter. The 7th character is required for S58.921D to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S58.921D group to?
S58.921D sits in MDC 23 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.
- 949Aftercare with CC/MCCmedical
- 950Aftercare without CC/MCCmedical
How is S58.921D listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S58.92, the nearest indexed parent of S58.921D. Use them to find the family, then select the specific code.
- Amputation › traumatic › forearm › partial
Excludes1 — never code together — inherited from S58
The conditions below can never be reported together with S58.921D 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 amputation of wrist and hand (S68.-)
Excludes1 — never code together — inherited from S58.9
The conditions below can never be reported together with S58.921D 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 amputation of wrist (S68.-)
Use additional code — inherited from Chapter 19
Report an additional code alongside S58.921D to fully describe the condition. S58.921D 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 S58.921D, but a patient may have both at the same time. When documentation supports it, S58.921D and the excluded code may both be reported.
Excludes2 — not included here — inherited from S50-S59
The conditions below are not part of S58.921D, but a patient may have both at the same time. When documentation supports it, S58.921D and the excluded code may both be reported.
How long has S58.921D existed?
S58.921D 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.