ICD-10-CM diagnosis code
P91.0 Neonatal cerebral ischemia
- Billable
- Yes, a complete code (FY2026)
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Other codes in P91
18 complete codes in this category.
- P91.0Neonatal cerebral ischemia
- P91.1Acquired periventricular cysts of newborn
- P91.2Neonatal cerebral leukomalacia
- P91.3Neonatal cerebral irritability
- P91.4Neonatal cerebral depression
- P91.5Neonatal coma
- P91.60Hypoxic ischemic encephalopathy [HIE], unspecified
- P91.61Mild hypoxic ischemic encephalopathy [HIE]
- P91.62Moderate hypoxic ischemic encephalopathy [HIE]
- P91.63Severe hypoxic ischemic encephalopathy [HIE]
- P91.811Neonatal encephalopathy in diseases classified elsewhere
- P91.819Neonatal encephalopathy, unspecified
Documentation tips
- Make sure the note supports every element of the title, “Neonatal cerebral ischemia”: each detail in it should be traceable to the history, examination or assessment.
- Code to the highest specificity the documentation supports. If a detail is missing from the note, add it to the note rather than choosing a less specific code by default.
- Check the Tabular List and official guidelines for instructional notes (“code first”, “use additional code”, Excludes1/Excludes2) that apply to P91.
The international WHO ICD-10 also has P91.0, with its inclusion and exclusion notes; titles and detail can differ from ICD-10-CM.
ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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