P91.6 — Hypoxic ischemic encephalopathy [HIE]
Is P91.6 billable?
No — P91.6 is a non-billable header code. P91.6 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 4 billable codes beneath P91.6.
P91.6 at a glance
| Code | P91.6 |
|---|---|
| Description | Hypoxic ischemic encephalopathy [HIE] |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together
The conditions below can never be reported together with P91.6 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes2 — not included here — inherited from Chapter 16
The conditions below are not part of P91.6, but a patient may have both at the same time. When documentation supports it, P91.6 and the excluded code may both be reported.
What codes fall under P91.6? (4)
How long has P91.6 existed?
P91.6 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.
Which codes are confused with P91.6?
ICD-10-CM declares these codes mutually exclusive with P91.6 — exactly one of each pair can be correct for a given encounter.
What other codes are in the P91 family? (8)
- 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
- P91.8Other specified disturbances of cerebral status of newbornnot billable
- P91.9Disturbance of cerebral status of newborn, unspecified