ICD-10-CM FY2027 diagnosis code

K31.A21: Gastric intestinal metaplasia with low grade dysplasia

Billable codeValid for dates of service October 1, 2026 to September 30, 2027

K31.A21 is a billable ICD-10-CM diagnosis code for gastric intestinal metaplasia with low grade dysplasia. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.

K31.A21 questions

Is K31.A21 a billable code?

Yes. K31.A21 is a billable ICD-10-CM code and can be used on claims and superbills for dates of service from October 1, 2026 to September 30, 2027.

What does K31.A21 mean?

K31.A21 is the ICD-10-CM code for Gastric intestinal metaplasia with low grade dysplasia. It is in chapter 11, Diseases of the digestive system (K00-K95).

Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.