ICD-10-CM · Chapter 16 · P00–P96
P91.63
Severe hypoxic ischemic encephalopathy [HIE]
Certain conditions originating in the perinatal period
Quick facts
- Code
- P91.63
- Type
- Billable code
- ICD-10-CM chapter
- Chapter 16 — Certain conditions originating in the perinatal period
- Category
- P91 — Other disturbances of cerebral status of newborn
- Specificity
- 5 characters
How coders use this code
ICD-10-CM P91.63 is a billable, fully specified code, so it can be reported directly on a claim to document a diagnosis of severe hypoxic ischemic encephalopathy [hie]. Coders assign it when the chart documentation supports this level of detail, always matching to the most specific code available and verifying against the chapter-specific guidelines published annually by NCHS/CMS.
Related codes in P91
- P91Other disturbances of cerebral status of newborn
- 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
- P91.6Hypoxic ischemic encephalopathy [HIE]
- P91.60Hypoxic ischemic encephalopathy [HIE], unspecified
- P91.61Mild hypoxic ischemic encephalopathy [HIE]
- P91.62Moderate hypoxic ischemic encephalopathy [HIE]
- P91.8Other specified disturbances of cerebral status of newborn
- P91.81Neonatal encephalopathy
- P91.811Neonatal encephalopathy in diseases classified elsewhere
- P91.819Neonatal encephalopathy, unspecified
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