K31.A1
Header — not billableGastric intestinal metaplasia without dysplasia
The ICD-10 code for gastric intestinal metaplasia without dysplasia is K31.A1.
K31.A1 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 6 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under K31.A1
- K31.A11Gastric intestinal metaplasia without dysplasia, involving the antrum
- K31.A12Gastric intestinal metaplasia without dysplasia, involving the body (corpus)
- K31.A13Gastric intestinal metaplasia without dysplasia, involving the fundus
- K31.A14Gastric intestinal metaplasia without dysplasia, involving the cardia
- K31.A15Gastric intestinal metaplasia without dysplasia, involving multiple sites
- K31.A19Gastric intestinal metaplasia without dysplasia, unspecified site
Related codes in this category
- K31.A0Gastric intestinal metaplasia, unspecified
- K31.A2Gastric intestinal metaplasia with dysplasianon-billable header
- K31.A1Gastric intestinal metaplasia without dysplasianon-billable header