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U.S. ICD-10-CM · FY 2027

M1A ICD-10-CM Code: Chronic gout

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

M1A

Chronic gout

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where M1A sits

  1. 1

    Chapter 13

    Diseases of the musculoskeletal system and connective tissue (M00-M99)

  2. 2

    Section

    Arthropathies (M00-M25)

  3. 3

    Category M1A

    Chronic gout

  4. 4

    Code M1A

    Chronic gout

More specific choices

Codes under M1A

M1A is a non-billable category. Choose the child code that best matches the documented diagnosis.

M1A.0

Idiopathic chronic gout

M1A.1

Lead-induced chronic gout

M1A.2

Drug-induced chronic gout

M1A.3

Chronic gout due to renal impairment

M1A.4

Other secondary chronic gout

M1A.9

Chronic gout, unspecified

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for M1A.

Code first

No “code first” instruction is listed for M1A.

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)

Excludes1

Conditions that should not be reported together with this code.

  • gout NOS (M10.-)

Excludes2

Conditions not included here that may be reported separately when present.

  • acute gout (M10.-)

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code M1A mean?

M1A is the FY 2027 U.S. ICD-10-CM code for “Chronic gout.”

Is M1A a billable or specific ICD-10-CM code?

No. M1A has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is M1A located in ICD-10-CM?

M1A is listed in Chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99), within Arthropathies (M00-M25) (M00–M25), under category M1A, Chronic gout.

What coding notes are listed for M1A?

No inclusion terms are listed for M1A in this reference record. No code-first instruction is listed. Additional-code instructions: 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). Excludes1 notes: gout NOS (M10.-). Excludes2 notes: acute gout (M10.-).

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