K31.A12
ICD-10-CMGastric intestinal metaplasia without dysplasia, involving the body (corpus)
This code signifies the presence of intestinal metaplasia within the body (corpus) of the stomach, specifically without any evidence of dysplasia. Intestinal metaplasia is a precancerous condition where the normal gastric lining is replaced by cells resembling those found in the intestine.
Use this code when pathology reports confirm intestinal metaplasia limited to the stomach body, with no mention of dysplasia. This diagnosis is often made following endoscopy with biopsy for symptoms such as chronic gastritis, GERD, or during surveillance for atrophic gastritis.
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