P91.819

Billable

Neonatal encephalopathy, unspecified

HCC Category Mapping

V28HCC 202 — Coma, Brain Compression/Anoxic Damage

0.000

What This Code Means

A newborn's brain inflammation or dysfunction where the specific cause or type is not identified or documented.

Coding Tips

•Use this code only when the cause of neonatal encephalopathy cannot be determined or is not documented
•Query the provider if additional clinical information is available to assign a more specific encephalopathy code

Clinical Significance

Neonatal encephalopathy unspecified indicates brain dysfunction in a newborn where the specific cause has not been identified. This diagnosis represents significant neurological concern requiring comprehensive evaluation and ongoing monitoring for developmental outcomes.

Documentation Requirements

✓Documentation of neonatal encephalopathy without identified cause
✓Clinical signs of brain dysfunction present
✓Comprehensive diagnostic workup performed but inconclusive
✓Neurological examination abnormalities documented
✓Exclusion of specific causes like HIE or infection
✓Response to supportive care measures
✓Ongoing investigation for underlying etiology
✓Neurodevelopmental follow-up plans established

Commonly Confused Codes

P91.811 — Neonatal encephalopathy in diseases classified elsewhere, when cause known P91.60 — HIE unspecified, specific hypoxic-ischemic mechanism G93.40 — Encephalopathy unspecified, not neonatal-specific P91.88 — Other specified disturbances of cerebral status

Code Hierarchy

└P91Other disturbances of cerebral status of newborn └P91.8Other specified disturbances of cerebral status of newborn └P91.81Neonatal encephalopathy └P91.819Neonatal encephalopathy, unspecified

└P91.819Neonatal encephalopathy, unspecified