S31.051S — Open bite of lower back and pelvis with penetration into retroperitoneum, sequela
Is S31.051S billable?
Yes — S31.051S is billable for FY2027. S31.051S is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. S31.051S may be submitted for encounters from October 1, 2026 through September 30, 2027.
S31.051S at a glance
| Code | S31.051S |
|---|---|
| Description | Open bite of lower back and pelvis with penetration into retroperitoneum, 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 S31.051S?
In S31.051S, the 7th character S means sequela. The 7th character is required for S31.051S to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S31.051S group to?
S31.051S sits in MDC 09 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.
- 604Trauma to the Skin, Subcutaneous Tissue and Breast with MCCmedical
- 605Trauma to the Skin, Subcutaneous Tissue and Breast without MCCmedical
How is S31.051S listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S31.051, the nearest indexed parent of S31.051S. Use them to find the family, then select the specific code.
- Bite › pelvis › with penetration into retroperitoneal space (s) (animal) (human)
- Bite › back › lower › with penetration into retroperitoneal space (s) (animal) (human)
Excludes1 — never code together — inherited from S31
The conditions below can never be reported together with S31.051S on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from S31.05
The conditions below can never be reported together with S31.051S on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Use additional code — inherited from Chapter 19
Report an additional code alongside S31.051S to fully describe the condition. S31.051S 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 S31.051S, but a patient may have both at the same time. When documentation supports it, S31.051S and the excluded code may both be reported.
Excludes2 — not included here — inherited from S30-S39
The conditions below are not part of S31.051S, but a patient may have both at the same time. When documentation supports it, S31.051S and the excluded code may both be reported.
Excludes2 — not included here — inherited from S31
The conditions below are not part of S31.051S, but a patient may have both at the same time. When documentation supports it, S31.051S and the excluded code may both be reported.
Code also — inherited from S31
Two codes may be needed to describe the condition fully. Whether S31.051S is sequenced first depends on the reason for the encounter.
How long has S31.051S existed?
S31.051S 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.