ICD-10-CM > K00-K95 > K20-K31 > K31 > K31.A > K31.A2 K31.A2 Gastric intestinal metaplasia with dysplasia Non-Billable/Non-Specific Codes K31.A21Gastric intestinal metaplasia with low grade dysplasiaK31.A22Gastric intestinal metaplasia with high grade dysplasiaK31.A29Gastric intestinal metaplasia with dysplasia, unspecified