K31.A0
Billable codeGastric intestinal metaplasia, unspecified
The ICD-10 code for gastric intestinal metaplasia, unspecified is K31.A0.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Gastric intestinal metaplasia indefinite for dysplasia
- Gastric intestinal metaplasia NOS
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- K31.A1Gastric intestinal metaplasia without dysplasianon-billable header
- K31.A2Gastric intestinal metaplasia with dysplasianon-billable header
- K31.A0Gastric intestinal metaplasia, unspecified
Associated MS-DRGs
K31.A0 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.
- DRG 314Other Circulatory System Diagnoses with MCC
- DRG 315Other Circulatory System Diagnoses with CC
- DRG 316Other Circulatory System Diagnoses without CC/MCC
- DRG 391Esophagitis, Gastroenteritis and Miscellaneous Digestive Disorders with MCC
- DRG 392Esophagitis, Gastroenteritis and Miscellaneous Digestive Disorders without MCC