K31.A1
⚠ Non-billable (Header)Gastric intestinal metaplasia without dysplasia
Diseases of the digestive system (K00-K95)
⚠️ This is a category header code — not billable. Use a more specific child code below.
✅ No additional coding notes for K31.A1
Child Codes (6)
K31.A11Gastric intestinal metaplasia without dysplasia, involving the antrumK31.A12Gastric intestinal metaplasia without dysplasia, involving the body (corpus)K31.A13Gastric intestinal metaplasia without dysplasia, involving the fundusK31.A14Gastric intestinal metaplasia without dysplasia, involving the cardiaK31.A15Gastric intestinal metaplasia without dysplasia, involving multiple sitesK31.A19Gastric intestinal metaplasia without dysplasia, unspecified site
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CodeK31.A1
BillableNo — Header code
ParentK31.A
CategoryDiseases of the digestive system (K00-K95)
Excludes10 rule(s)
Excludes20 note(s)
Child codes6
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)