MCMCB Pro
P91.822

P91.822Neonatal cerebral infarction, left side of brain

Billable / specific codeICD-10-CMPOA exemptleft

P91.822 is a billable, specific ICD-10-CM code for neonatal cerebral infarction, left side of brain. It is valid for submission on a claim.

Risk adjustment

P91.822 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.

Medicare coverage

P91.822 is named in 1 Medicare coverage policy 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A57204Billing and Coding: MRI and CT Scans of the Head and Neck

Related codes at this level

Codes that share P91.82. If P91.822 is not quite right, the correct code is usually one of these.

Questions about P91.822

Is P91.822 a billable ICD-10-CM code?
Yes. P91.822 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does P91.822 sit in the tabular list?
Certain conditions originating in the perinatal period (P00-P96), in the block Other disorders originating in the perinatal period (P90-P96).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.