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P91.6

Hypoxic ischemic encephalopathy [HIE]

Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 8 never code together
P91.6code
Excludes1
P00-P96chapter
Excludes2
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)Q00-Q99
  • endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
  • injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
  • neoplasms (C00-D49)C00-D49
  • tetanus neonatorum (A33)A33

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 2
P00-P96chapter
Notes
  • Codes from this chapter are for use on newborn records only, never on maternal records
Includes
  • conditions that have their origin in the fetal or perinatal period (before birth through the first 28 days after birth) even if morbidity occurs later
Index entries leading here filed at null

No alphabetic index entry points at this code.

Alongside this code 8 same parent — P91
P91.0 Neonatal cerebral ischemia P91.1 Acquired periventricular cysts of newborn P91.2 Neonatal cerebral leukomalacia P91.3 Neonatal cerebral irritability P91.4 Neonatal cerebral depression P91.5 Neonatal coma P91.8 Other specified disturbances of cerebral status of newborn category P91.9 Disturbance of cerebral status of newborn, unspecified
Subordinate codes 4
P91.60 Hypoxic ischemic encephalopathy [HIE], unspecified P91.61 Mild hypoxic ischemic encephalopathy [HIE] P91.62 Moderate hypoxic ischemic encephalopathy [HIE] P91.63 Severe hypoxic ischemic encephalopathy [HIE]
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
no
Code set
FY2026
Parent
P91
Block
P90-P96
Siblings
8
Subordinate
4

Present FY2024–FY2027.