S55.212A — Laceration of vein at forearm level, left arm, initial encounter
Is S55.212A billable?
Yes — S55.212A is billable for FY2027. S55.212A is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. S55.212A may be submitted for encounters from October 1, 2026 through September 30, 2027.
S55.212A at a glance
| Code | S55.212A |
|---|---|
| Description | Laceration of vein at forearm level, left arm, 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 S55.212A?
In S55.212A, the 7th character A means initial encounter. The 7th character is required for S55.212A to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S55.212A group to?
S55.212A sits in MDC 21 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.
- 913Traumatic Injury with MCCmedical
- 914Traumatic Injury without MCCmedical
As a secondary diagnosis, S55.212A is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.
How is S55.212A listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S55.21, the nearest indexed parent of S55.212A. Use them to find the family, then select the specific code.
- Injury › blood vessel NEC › forearm › vein › laceration
Use additional code — inherited from Chapter 19
Report an additional code alongside S55.212A to fully describe the condition. S55.212A 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 S55.212A, but a patient may have both at the same time. When documentation supports it, S55.212A and the excluded code may both be reported.
Excludes2 — not included here — inherited from S50-S59
The conditions below are not part of S55.212A, but a patient may have both at the same time. When documentation supports it, S55.212A and the excluded code may both be reported.
Excludes2 — not included here — inherited from S55
The conditions below are not part of S55.212A, but a patient may have both at the same time. When documentation supports it, S55.212A and the excluded code may both be reported.
Code also — inherited from S55
Two codes may be needed to describe the condition fully. Whether S55.212A is sequenced first depends on the reason for the encounter.
- any associated open wound (S51.-)
How long has S55.212A existed?
S55.212A 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.