P91.829 — Neonatal cerebral infarction, unspecified side
Is P91.829 billable?
Yes, but P91.829 is an unspecified code. P91.829 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, P91.829 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 P91.829 — the more specific alternatives are listed below.
P91.829 at a glance
| Code | P91.829 |
|---|---|
| Description | Neonatal cerebral infarction, unspecified side |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does P91.829 group to?
P91.829 sits in MDC 15 and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 791Prematurity with Major Problemsmedical
As a secondary diagnosis, P91.829 is a major complication or comorbidity (MCC), which can move a stay into a higher-paying DRG.
How is P91.829 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under P91.82, the nearest indexed parent of P91.829. Use them to find the family, then select the specific code.
- Stroke › cerebral, perinatal (apoplectic) (brain) (ischemic) (paralytic)
- Stroke › ischemic, perinatal arterial (apoplectic) (brain) (ischemic) (paralytic)
- Stroke › neonatal (apoplectic) (brain) (ischemic) (paralytic)
- Infarct, infarction › cerebral › neonatal
- Infarct, infarction › cerebral › perinatal
Excludes1 — never code together — inherited from P91.82
The conditions below can never be reported together with P91.829 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- cerebral infarction (I63.-)
Excludes2 — not included here — inherited from Chapter 16
The conditions below are not part of P91.829, but a patient may have both at the same time. When documentation supports it, P91.829 and the excluded code may both be reported.
Excludes2 — not included here — inherited from P91.82
The conditions below are not part of P91.829, but a patient may have both at the same time. When documentation supports it, P91.829 and the excluded code may both be reported.
- intracranial hemorrhage of newborn (P52.-)
How long has P91.829 existed?
P91.829 first appears in FY2021 (FY2020 is not available, so it may have appeared then).
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.