K31.A13
BillableGastric intestinal metaplasia without dysplasia, involving the fundus
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 upper part of the stomach (fundus) where normal tissue is replaced by intestinal-type tissue without abnormal cell growth.
Coding Tips
- •Verify fundus location is documented in clinical findings
- •Monitor for progression; document any follow-up surveillance recommendations
Code Hierarchy
└K31Other diseases of stomach and duodenum└K31.AGastric intestinal metaplasia└K31.A1Gastric intestinal metaplasia without dysplasia└K31.A13Gastric intestinal metaplasia without dysplasia, involving the fundus
└K31.A13Gastric intestinal metaplasia without dysplasia, involving the fundus