S64.12XD — Injury of median nerve at wrist and hand level of left arm, subsequent encounter
Is S64.12XD billable?
Yes — S64.12XD is billable for FY2027. S64.12XD is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. S64.12XD may be submitted for encounters from October 1, 2026 through September 30, 2027.
S64.12XD at a glance
| Code | S64.12XD |
|---|---|
| Description | Injury of median nerve at wrist and hand level of left arm, 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 S64.12XD?
In S64.12XD, the 7th character D means subsequent encounter. The 7th character is required for S64.12XD to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S64.12XD group to?
S64.12XD 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 S64.12XD listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S64.1, the nearest indexed parent of S64.12XD. Use them to find the family, then select the specific code.
- Injury › nerve NEC › median › hand
Use additional code — inherited from Chapter 19
Report an additional code alongside S64.12XD to fully describe the condition. S64.12XD 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 S64.12XD, but a patient may have both at the same time. When documentation supports it, S64.12XD and the excluded code may both be reported.
Excludes2 — not included here — inherited from S60-S69
The conditions below are not part of S64.12XD, but a patient may have both at the same time. When documentation supports it, S64.12XD and the excluded code may both be reported.
Code also — inherited from S64
Two codes may be needed to describe the condition fully. Whether S64.12XD is sequenced first depends on the reason for the encounter.
- any associated open wound (S61.-)
How long has S64.12XD existed?
S64.12XD 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.