K31.A29
Billable codeGastric intestinal metaplasia with dysplasia, unspecified
The ICD-10 code for gastric intestinal metaplasia with dysplasia, unspecified is K31.A29.
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.A21Gastric intestinal metaplasia with low grade dysplasia
- K31.A22Gastric intestinal metaplasia with high grade dysplasia
- K31.A29Gastric intestinal metaplasia with dysplasia, unspecified
Associated MS-DRGs
K31.A29 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