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P57.8

P57.8Other specified kernicterus

Billable / specific codeICD-10-CM

P57.8 is a billable, specific ICD-10-CM code for other specified kernicterus. It is valid for submission on a claim.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • Crigler-Najjar syndrome (E80.5)

Risk adjustment

P57.8 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 192 Cerebral Palsy, Except Quadriplegic0.314 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

P57.8 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

How P57.8 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to P57.8.

  • Kernicterus of newbornspecified type NEC

Related codes at this level

Codes that share P57. If P57.8 is not quite right, the correct code is usually one of these.

Questions about P57.8

Is P57.8 a billable ICD-10-CM code?
Yes. P57.8 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does P57.8 sit in the tabular list?
Certain conditions originating in the perinatal period (P00-P96), in the block Hemorrhagic and hematological disorders of newborn (P50-P61).
What cannot be coded together with P57.8?
P57.8 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.
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.