ICD10BillableValid for clinical use

ICD-10 Code P77.3: Stage 3 necrotizing enterocolitis in newborn

P77.3 is a billable ICD-10 diagnosis code used to classify Stage 3 necrotizing enterocolitis in newborn 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 21 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 stage 3 necrotizing enterocolitis in newborn 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
P76-P78Digestive system disorders of newborn
category
P77Necrotizing enterocolitis of newborn
currentP77

Official coding notes

Inclusion terms
  • Necrotizing enterocolitis with perforation
  • Necrotizing enterocolitis with pneumatosis and perforation

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

Common synonyms

Stage 3 necrotizing enterocolitis in newborn

Frequently asked questions

Code details

CodeP77.3
SystemICD10
Display nameStage 3 necrotizing enterocolitis in newborn
ChapterCertain conditions originating in the perinatal period (P00-P96)
BlockDigestive system disorders of newborn

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Enterocolitis

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 P77.3 for Stage 3 necrotizing enterocolitis in newborn | HealthAssure