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K31.A1

Non-billable

Gastric intestinal metaplasia without dysplasia

K31.A1 is the ICD-10-CM code for Gastric intestinal metaplasia without dysplasia. It is a non-billable category code — use a more specific child code such as K31.A11 for billing.

Status
Header (non-billable)
Chapter
K00-K95
Parent
K31.A
Subcodes
6
Edition
FY2026

K00-K95 Diseases of the digestive system

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code K31.A1?
K31.A1 is the ICD-10-CM code for "Gastric intestinal metaplasia without dysplasia". It falls under K00-K95 Diseases of the digestive system.
Is K31.A1 a billable code?
No — K31.A1 is a non-billable header code. Use a more specific child code (such as K31.A11) for billing.
What are the subcodes of K31.A1?
K31.A1 has 6 more specific child codes, including K31.A11, K31.A12, K31.A13.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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