ICD-10-CM › K00-K95 › K55-K64 › K55 Vascular disorders of intestine › K55.3

K55.3

Necrotizing enterocolitis

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2017 onwards. It has never been valid for submission on its own.

Submit one of these 4 more specific codes instead:

  • K55.30 Necrotizing enterocolitis, unspecified
  • K55.31 Stage 1 necrotizing enterocolitis
  • K55.32 Stage 2 necrotizing enterocolitis
  • K55.33 Stage 3 necrotizing enterocolitis

What has happened to this code

Every change the publisher made, from 2017 to now.

  1. FY2017 Added to the code set Necrotizing enterocolitis

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from K55 Vascular disorders of intestine

Excludes1 - never coded here

  • necrotizing enterocolitis of newborn (P77.-)

Excludes2 - not included here

  • angioectasia (angiodysplasia) duodenum (K31.81-)

Codes in the same group

CodeDescriptionStatus
K55.0 Acute vascular disorders of intestine Not billable
K55.1 Chronic vascular disorders of intestine Valid
K55.2 Angiodysplasia of colon Not billable
K55.8 Other vascular disorders of intestine Valid
K55.9 Vascular disorder of intestine, unspecified Valid