S34.4XXA — Injury of lumbosacral plexus, initial encounter
Is S34.4XXA billable?
Yes — S34.4XXA is billable for FY2027. S34.4XXA is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. S34.4XXA may be submitted for encounters from October 1, 2026 through September 30, 2027.
S34.4XXA at a glance
| Code | S34.4XXA |
|---|---|
| Description | Injury of lumbosacral plexus, 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 S34.4XXA?
In S34.4XXA, the 7th character A means initial encounter. The 7th character is required for S34.4XXA to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S34.4XXA group to?
S34.4XXA sits in MDC 01 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.
- 073Cranial and Peripheral Nerve Disorders with MCCmedical
- 074Cranial and Peripheral Nerve Disorders without MCCmedical
How is S34.4XXA listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S34.4, the nearest indexed parent of S34.4XXA. Use them to find the family, then select the specific code.
- Injury › lumbosacral plexus
Use additional code — inherited from Chapter 19
Report an additional code alongside S34.4XXA to fully describe the condition. S34.4XXA 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 S34.4XXA, but a patient may have both at the same time. When documentation supports it, S34.4XXA and the excluded code may both be reported.
Excludes2 — not included here — inherited from S30-S39
The conditions below are not part of S34.4XXA, but a patient may have both at the same time. When documentation supports it, S34.4XXA and the excluded code may both be reported.
Code also — inherited from S34
Two codes may be needed to describe the condition fully. Whether S34.4XXA is sequenced first depends on the reason for the encounter.
How long has S34.4XXA existed?
S34.4XXA 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.