K31.A1
Gastric intestinal metaplasia without dysplasia
K31.A1 is a non-billable ICD-10-CM code header for gastric intestinal metaplasia without dysplasia. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are K31.A11 Gastric intestinal metaplasia without dysplasia, involving the antrum; K31.A12 Gastric intestinal metaplasia without dysplasia, involving the body (corpus); K31.A13 Gastric intestinal metaplasia without dysplasia, involving the fundus; K31.A14 Gastric intestinal metaplasia without dysplasia, involving the cardia and 2 more. Its coding notes include 11 Excludes2 entries.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (9 notes)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Includes
Further defines or gives examples of the content of the category.
- functional disorders of stomach
More specific codes under K31.A1 6
- K31.A11Gastric intestinal metaplasia without dysplasia, involving the antrumBillable
- K31.A12Gastric intestinal metaplasia without dysplasia, involving the body (corpus)Billable
- K31.A13Gastric intestinal metaplasia without dysplasia, involving the fundusBillable
- K31.A14Gastric intestinal metaplasia without dysplasia, involving the cardiaBillable
- K31.A15Gastric intestinal metaplasia without dysplasia, involving multiple sitesBillable
- K31.A19Gastric intestinal metaplasia without dysplasia, unspecified siteBillable