ICD10BillableValid for clinical use

ICD-10 Code P57.9: Kernicterus, unspecified

P57.9 is a billable ICD-10 diagnosis code used to classify Kernicterus, unspecified in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Certain conditions originating in the perinatal period (P00-P96).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Certain conditions originating in the perinatal period (P00-P96).

When is it used?

  • May be used when a clinician documents kernicterus, unspecified in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
16Certain conditions originating in the perinatal period (P00-P96)
block
P50-P61Hemorrhagic and hematological disorders of newborn
category
P57Kernicterus
currentP57

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

PediatricianNeonatologist

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
P57.9

Common synonyms

Kernicterus, unspecifiedKernicterus

Frequently asked questions

Code details

CodeP57.9
SystemICD10
Display nameKernicterus, unspecified
ChapterCertain conditions originating in the perinatal period (P00-P96)
BlockHemorrhagic and hematological disorders of newborn

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Encephalopathia hyperbilirubinemica, newbornEncephalopathy(acute)Jaundice(yellow)Kernicterus of newborn(not due to isoimmunization)
See also
Kernicterus of newborn

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code P57.9 for Kernicterus, unspecified | HealthAssure