Billable / Specific Code
ICD-10-CM K31.A12 is the diagnosis code for Gastric intestinal metaplasia without dysplasia, involving the body (corpus). This code falls under the section "Diseases of esophagus, stomach and duodenum" within Chapter 11 — Diseases of the digestive system (K00-K95). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where K31.A12 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, K31.A12 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
K31.A12 is the ICD-10-CM diagnosis code for "Gastric intestinal metaplasia without dysplasia, involving the body (corpus)". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of K31.A12 is K31.A1 ("Gastric intestinal metaplasia without dysplasia"). K31.A12 provides a more specific classification within this category.
K31.A12 is located in Section K20-K31 — "Diseases of esophagus, stomach and duodenum" within Chapter 11 of the ICD-10-CM Tabular List.
Use K31.A12 when the patients documented diagnosis matches "Gastric intestinal metaplasia without dysplasia, involving the body (corpus)" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Gastric intestinal metaplasia without dysplasia, involving the body (corpus) is K31.A12.
Yes, K31.A12 can be used as a primary diagnosis code since it is billable and specific.
K31.A12 is in Chapter 11 of the ICD-10-CM Tabular List.
Yes, K31.A12 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.