ICD-10 Code K31.A11 - Gastric intestinal metaplasia without dysplasia, involving the antrum

ICD-10-CM Diagnosis Code K31.A11

Diagnosis Code: K31.A11 (Raw: K31A11)

Description: Gastric intestinal metaplasia without dysplasia, involving the antrum

Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)

Fiscal Year: 2026

CMS Section 111 Status: Valid for reporting (Excluded from No-Fault liability reporting).

Overview & Clinical Details

ICD-10-CM code K31.A11 is designated for Gastric intestinal metaplasia without dysplasia, involving the antrum. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.