M1A.2

M1A.2: Drug-induced chronic gout

Non-billable headerICD-10-CM

M1A.2 is a non-billable header ICD-10-CM code for drug-induced chronic gout. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to each code from category M1A

0: without tophus (tophi)
1: with tophus (tophi)

Use additional code

Add a secondary code to capture the detail described below.

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Excludes1 inherited from the categories above M1A.2

A category’s note binds every code beneath it.

Written on M1A: Chronic gout

gout NOS (M10.-)

Excludes2 inherited from the categories above M1A.2

Not part of this code, but both may be coded when both are present.

Written on M1A: Chronic gout

acute gout (M10.-)

Other codes that can never be billed with M1A.2

Their own Excludes1 notes name this code, so the conflict is not listed above.

E72Other disorders of amino-acid metabolism
E79Disorders of purine and pyrimidine metabolism

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead M1A.2

10 child codes. Green means billable.