ICD-10-CM › K00-K95 › K20-K31 › K31.A Gastric intestinal metaplasia › K31.A1

K31.A1

Gastric intestinal metaplasia without dysplasia

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, FY2022 onwards. It has never been valid for submission on its own.

Submit one of these 6 more specific codes instead:

  • K31.A11 Gastric intestinal metaplasia without dysplasia, involving the antrum
  • K31.A12 Gastric intestinal metaplasia without dysplasia, involving the body (corpus)
  • K31.A13 Gastric intestinal metaplasia without dysplasia, involving the fundus
  • K31.A14 Gastric intestinal metaplasia without dysplasia, involving the cardia
  • K31.A15 Gastric intestinal metaplasia without dysplasia, involving multiple sites
  • K31.A19 Gastric intestinal metaplasia without dysplasia, unspecified site

What has happened to this code

Every change the publisher made, from 2022 to now.

  1. FY2022 Added to the code set Gastric intestinal metaplasia without dysplasia

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 K31 Other diseases of stomach and duodenum

Excludes2 - not included here

  • diabetic gastroparesis (E08.43, E09.43, E10.43, E11.43, E13.43)
  • diverticulum of duodenum (K57.00-K57.13)

Includes

  • functional disorders of stomach

Inherited from the K20-K31 section Diseases of esophagus, stomach and duodenum (K20-K31)

Excludes2 - not included here

  • hiatus hernia (K44.-)

Codes in the same group

CodeDescriptionStatus
K31.A0 Gastric intestinal metaplasia, unspecified Valid
K31.A2 Gastric intestinal metaplasia with dysplasia Not billable