M1A

Chronic gout

Requires 7th character

M1A requires a 7th character to be reported. Choose a complete code below.

Inclusion terms

Includes

  • Note: Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition

Excludes1

Not coded here — never report together with this code.

  • gout NOS (M10.-)

Excludes2

Not included here — may be reported together when both conditions exist.

  • arthropathic psoriasis (L40.5-)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • compartment syndrome (traumatic) (T79.A-)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • acute gout (M10.-)

Use additional code

Add a code to identify the following, if applicable.

  • 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

This code requires a 7th character. Use the placeholder "X" for missing positions.

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

More specific codes M1A

  • M1A.0Idiopathic chronic goutNeeds 7th char
  • M1A.1Lead-induced chronic goutNeeds 7th char
  • M1A.2Drug-induced chronic goutNeeds 7th char
  • M1A.3Chronic gout due to renal impairmentNeeds 7th char
  • M1A.4Other secondary chronic goutNeeds 7th char
  • M1A.9Chronic gout, unspecifiedNeeds 7th char

Related codes

  • M05Rheumatoid arthritis with rheumatoid factorHeader
  • M06Other rheumatoid arthritisHeader
  • M07Enteropathic arthropathiesHeader
  • M08Juvenile arthritisHeader
  • M10GoutHeader
  • M11Other crystal arthropathiesHeader
  • M12Other and unspecified arthropathyHeader
  • M13Other arthritisHeader
  • M14Arthropathies in other diseases classified elsewhereHeader

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