ICD-10 Code K31.A13 - Gastric intestinal metaplasia without dysplasia, involving the fundus

ICD-10-CM Diagnosis Code K31.A13

Diagnosis Code: K31.A13 (Raw: K31A13)

Description: Gastric intestinal metaplasia without dysplasia, involving the fundus

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.A13 is designated for Gastric intestinal metaplasia without dysplasia, involving the fundus. 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.