S64.8X9S — Injury of other nerves at wrist and hand level of unspecified arm, sequela
Is S64.8X9S billable?
Yes, but S64.8X9S is an unspecified code. S64.8X9S is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, S64.8X9S 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 S64.8X9S — the more specific alternatives are listed below.
S64.8X9S at a glance
| Code | S64.8X9S |
|---|---|
| Description | Injury of other nerves at wrist and hand level of unspecified arm, sequela |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "S" | sequela |
What does the 7th character "S" mean in S64.8X9S?
In S64.8X9S, the 7th character S means sequela. The 7th character is required for S64.8X9S to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S64.8X9S group to?
S64.8X9S sits in MDC 01 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 091Other Disorders of Nervous System with MCCmedical
- 092Other Disorders of Nervous System with CCmedical
- 093Other Disorders of Nervous System without CC/MCCmedical
Use additional code — inherited from Chapter 19
Report an additional code alongside S64.8X9S to fully describe the condition. S64.8X9S 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 S64.8X9S, but a patient may have both at the same time. When documentation supports it, S64.8X9S and the excluded code may both be reported.
Excludes2 — not included here — inherited from S60-S69
The conditions below are not part of S64.8X9S, but a patient may have both at the same time. When documentation supports it, S64.8X9S and the excluded code may both be reported.
Code also — inherited from S64
Two codes may be needed to describe the condition fully. Whether S64.8X9S is sequenced first depends on the reason for the encounter.
- any associated open wound (S61.-)
How long has S64.8X9S existed?
S64.8X9S 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.