Gastric Intestinal Metaplasia

Subcategory K31.A, Gastric intestinal metaplasia, has been created for gastric intestinal metaplasia of the stomach with and without dysplasia and unspecified gastric intestinal metaplasia. K31.A0, Gastric intestinal metaplasia, unspecified 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 K31.A21, Gastric intestinal metaplasia with low...

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Note:  The following article synopsis was NOT provided by the AHA. It was created by Find-A-Code/innoviHealth.

Article Overview

This article covers the creation of ICD-10-CM subcategory K31.A for gastric intestinal metaplasia and outlines the broader clinical background of the condition. It is relevant to coders, CDI teams, gastroenterology practices, and clinicians who document gastric intestinal metaplasia findings and related pathology context.

Why This Topic Matters

Accurate documentation of gastric intestinal metaplasia affects diagnosis specificity and supports consistent ICD-10-CM reporting. The article also gives general clinical context that may help readers understand why site and dysplasia status are important in documentation.

What You Will Learn

  • How the new ICD-10-CM subcategory relates to gastric intestinal metaplasia documentation
  • The general clinical context of gastric intestinal metaplasia
  • Why documentation details such as site and dysplasia status matter in this topic
  • How the article frames the condition in relation to broader gastric disease progression

Who Should Read This

  • Medical coders
  • Clinical documentation integrity specialists
  • Gastroenterology clinicians
  • Pathology and endoscopy staff
  • Revenue cycle teams

Codes Discussed

  • ICD-10-CM: K31.A0
  • ICD-10-CM: K31.A11
  • ICD-10-CM: K31.A12
  • ICD-10-CM: K31.A13
  • ICD-10-CM: K31.A14
  • ICD-10-CM: K31.A15
  • ICD-10-CM: K31.A19
  • ICD-10-CM: K31.A21
  • ICD-10-CM: K31.A22
  • ICD-10-CM: K31.A29

Code Ranges Discussed

  • ICD-10-CM: K31.A

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