M1A

Non-billable

Chronic gout

M1A is the ICD-10-CM code for Chronic gout. It is a non-billable category code — use a more specific child code such as M1A.0 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Subcodes
6
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

Excludes1 — not coded here

  • gout NOS (M10.-)

Excludes2 — not included here

  • acute gout (M10.-)

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)

Frequently asked questions

What is ICD-10 code M1A?
M1A is the ICD-10-CM code for "Chronic gout". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M1A a billable code?
No — M1A is a non-billable header code. Use a more specific child code (such as M1A.0) for billing.
What are the subcodes of M1A?
M1A has 6 more specific child codes, including M1A.0, M1A.1, M1A.2.
What is excluded from M1A?
Excludes1 (not coded here): gout NOS (M10.-).

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

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