Non-Billable / Non-Specific Code
ICD-10-CM P91.6 is the diagnosis code for Hypoxic ischemic encephalopathy [HIE]. This code falls under the section "Other disorders originating in the perinatal period" within Chapter 16 — Certain conditions originating in the perinatal period (P00-P96). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as P91.6. They are mutually exclusive:
Understanding where P91.6 sits in the ICD-10-CM classification helps ensure proper coding:
No, P91.6 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
P91.6 is the ICD-10-CM diagnosis code for "Hypoxic ischemic encephalopathy [HIE]". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of P91.6 is P91 ("Other disturbances of cerebral status of newborn"). P91.6 provides a more specific classification within this category.
P91.6 is located in Section P90-P96 — "Other disorders originating in the perinatal period" within Chapter 16 of the ICD-10-CM Tabular List.
P91.6 has 4 sub-code(s) that provide more specific detail: P91.60, P91.61, P91.62, P91.63.
Use P91.6 when the patients documented diagnosis matches "Hypoxic ischemic encephalopathy [HIE]" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Hypoxic ischemic encephalopathy [HIE] is P91.6.
No, P91.6 is non-billable. Use a more specific sub-code for primary diagnosis billing.
P91.6 is in Chapter 16 of the ICD-10-CM Tabular List.
Type 1 Excludes for P91.6 include: Neonatal cerebral depression (P91.4); Neonatal cerebral irritability (P91.3); Neonatal coma (P91.5).
Yes, P91.6 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.