S37.031A — Laceration of right kidney, unspecified degree, initial encounter
Is S37.031A billable?
Yes, but S37.031A is an unspecified code. S37.031A is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, S37.031A 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 S37.031A — the more specific alternatives are listed below.
More specific alternatives
- S37.011AMinor contusion of right kidney, initial encounter
- S37.021AMajor contusion of right kidney, initial encounter
- S37.041AMinor laceration of right kidney, initial encounter
- S37.051AModerate laceration of right kidney, initial encounter
- S37.061AMajor laceration of right kidney, initial encounter
- S37.091AOther injury of right kidney, initial encounter
S37.031A at a glance
| Code | S37.031A |
|---|---|
| Description | Laceration of right kidney, unspecified degree, 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 S37.031A?
In S37.031A, the 7th character A means initial encounter. The 7th character is required for S37.031A to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S37.031A group to?
S37.031A sits in MDC 11 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.
- 698Other Kidney and Urinary Tract Diagnoses with MCCmedical
- 699Other Kidney and Urinary Tract Diagnoses with CCmedical
- 700Other Kidney and Urinary Tract Diagnoses without CC/MCCmedical
As a secondary diagnosis, S37.031A is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.
How is S37.031A listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S37.03, the nearest indexed parent of S37.031A. Use them to find the family, then select the specific code.
- Laceration › kidney
Excludes1 — never code together — inherited from S37
The conditions below can never be reported together with S37.031A on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- obstetric trauma to pelvic organs (O71.-)
Use additional code — inherited from Chapter 19
Report an additional code alongside S37.031A to fully describe the condition. S37.031A 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 S37.031A, but a patient may have both at the same time. When documentation supports it, S37.031A and the excluded code may both be reported.
Excludes2 — not included here — inherited from S30-S39
The conditions below are not part of S37.031A, but a patient may have both at the same time. When documentation supports it, S37.031A and the excluded code may both be reported.
Excludes2 — not included here — inherited from S37
The conditions below are not part of S37.031A, but a patient may have both at the same time. When documentation supports it, S37.031A and the excluded code may both be reported.
Excludes2 — not included here — inherited from S37.0
The conditions below are not part of S37.031A, but a patient may have both at the same time. When documentation supports it, S37.031A and the excluded code may both be reported.
- acute kidney injury (nontraumatic) (N17.9)
Code also — inherited from S37
Two codes may be needed to describe the condition fully. Whether S37.031A is sequenced first depends on the reason for the encounter.
- any associated open wound (S31.-)
How long has S37.031A existed?
S37.031A 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.