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M1AChronic gout

ICD-10-CM category (non-billable header) code — part of Inflammatory polyarthropathies (M05-M14)

Code Details

BillableNo — use a more specific child code
ChapterChapter 13: Diseases of the musculoskeletal system and connective tissue (M00-M99)
SectionInflammatory polyarthropathies (M05-M14)

Valid 7th Characters

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

Coding Notes

Excludes1 (never code both together)

  • gout NOS (M10.-)

Excludes2 (not part of this condition — may code both)

  • 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)

7th Character Note

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

Subcategories (6)

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