K31.A
Header — not billableGastric intestinal metaplasia
The ICD-10 code for gastric intestinal metaplasia is K31.A.
K31.A is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 3 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.
Related codes in this category
- K31.0Acute dilatation of stomach
- K31.1Adult hypertrophic pyloric stenosis
- K31.2Hourglass stricture and stenosis of stomach
- K31.3Pylorospasm, not elsewhere classified
- K31.4Gastric diverticulum
- K31.5Obstruction of duodenum
- K31.6Fistula of stomach and duodenum
- K31.7Polyp of stomach and duodenum
- K31.8Other specified diseases of stomach and duodenumnon-billable header
- K31.9Disease of stomach and duodenum, unspecified
- K31.AGastric intestinal metaplasianon-billable header