I63 vs P91.82
I63 (Cerebral infarction) compared with P91.82 (Neonatal cerebral infarction), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. I63 carries an Excludes1 note covering P91.82: “neonatal cerebral infarction (P91.82-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. P91.82 carries an Excludes1 note covering I63: “cerebral infarction (I63.-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| I63Cerebral infarction | P91.82Neonatal cerebral infarction | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | I00-I99 — Diseases of the Circulatory System (I00-I99) | P00-P96 — Certain Conditions Originating in the Perinatal Period (P00-P96) |
| Definition | Cerebral infarction is a non-billable ICD-10-CM category code (I63). | Neonatal cerebral infarction is a non-billable ICD-10-CM category code (P91.82). |
| Includes | occlusion and stenosis of cerebral and precerebral arteries, resulting in cerebral infarction | Neonatal stroke Perinatal arterial ischemic stroke Perinatal cerebral infarction |
| Use additional code | code, if applicable, to identify status post administration of tPA (rtPA) in a different facility within the last 24 hours prior to admission to current facility (Z92.82) code, if known, to indicate National Institutes of Health Stroke Scale (NIHSS) score (R29.7-) code to identify presence of: | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources