K31.A12
BillableGastric intestinal metaplasia without dysplasia, involving the body (corpus)
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
A change in the stomach lining cells in the main body of the stomach where normal tissue is replaced by intestinal-type tissue without abnormal cell growth.
Coding Tips
- •Ensure pathology confirms absence of dysplasia
- •Body (corpus) location should be clearly documented in endoscopy or pathology reports
Code Hierarchy
└K31Other diseases of stomach and duodenum└K31.AGastric intestinal metaplasia└K31.A1Gastric intestinal metaplasia without dysplasia└K31.A12Gastric intestinal metaplasia without dysplasia, involving the body (corpus)
└K31.A12Gastric intestinal metaplasia without dysplasia, involving the body (corpus)