M1A is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Chronic gout.
Use additional code
Code to identify:
Autonomic neuropathy in diseases classified elsewhere (G99.0)
Calculus of urinary tract in diseases classified elsewhere (N22)
Cardiomyopathy in diseases classified elsewhere (I43)
Disorders of external ear in diseases classified elsewhere (H61.1-, H62.8-)
Disorders of iris and ciliary body in diseases classified elsewhere (H22)
Glomerular disorders in diseases classified elsewhere (N08)
Type 1 excludes
Gout NOS (M10.-)
Type 2 excludes
Acute gout (M10.-)
Seventh character note
The appropriate 7th character is to be added to each code from category M1A
Seventh character extensions
0: without tophus (tophi)
1: with tophus (tophi)
Codes
Versions
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
Code changed
Type 1 excludes
acute gout (M10.-)gout NOS (M10.-)
- gout NOS (M10.-)
Type 2 excludes
- acute gout (M10.-)
2016
New code