P91.821: Neonatal cerebral infarction, right side of brain
P91.821 is a billable, specific ICD-10-CM code for neonatal cerebral infarction, right side of brain. It is valid for submission on a claim.
Check P91.821 with the rest of the claim: free scrubberExcludes1 inherited from the categories above P91.821
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above P91.821
Not part of this code, but both may be coded when both are present.
Risk adjustment
P91.821 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 249 Ischemic or Unspecified Stroke0.239 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.
Medicare coverage
P91.821 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A57204Billing and Coding: MRI and CT Scans of the Head and Neck
Code history
Unchanged in every release from FY2024 to FY2027.