2019 ICD-10-CM Diagnosis Code M1A.4421

Other secondary chronic gout, left hand, with tophus (tophi)

    2016 2017 2018 2019 Billable/Specific Code
  • M1A.4421 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2019 edition of ICD-10-CM M1A.4421 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of M1A.4421 - other international versions of ICD-10 M1A.4421 may differ.
The following code(s) above M1A.4421 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to M1A.4421:
  • M00-M99
    2019 ICD-10-CM Range M00-M99

    Diseases of the musculoskeletal system and connective tissue

    • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
    Type 2 Excludes
    • 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)
    Diseases of the musculoskeletal system and connective tissue
  • M1A
    ICD-10-CM Diagnosis Code M1A

    Chronic gout

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Type 1 Excludes
    Type 2 Excludes
    Use Additional
    • 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)
    Chronic gout
  • M1A.4
    ICD-10-CM Diagnosis Code M1A.4

    Other secondary chronic gout

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Code First
    • associated condition
    Other secondary chronic gout
ICD-10-CM M1A.4421 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):
  • 553 Bone diseases and arthropathies with mcc
  • 554 Bone diseases and arthropathies without mcc

Convert M1A.4421 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
ICD-10-CM Codes Adjacent To M1A.4421
M1A.4321 …… with tophus (tophi)
M1A.439 Other secondary chronic gout, unspecified wrist
M1A.4390 …… without tophus (tophi)
M1A.4391 …… with tophus (tophi)
M1A.44 Other secondary chronic gout, hand
M1A.441 Other secondary chronic gout, right hand
M1A.4410 …… without tophus (tophi)
M1A.4411 …… with tophus (tophi)
M1A.442 Other secondary chronic gout, left hand
M1A.4420 …… without tophus (tophi)
M1A.4421 …… with tophus (tophi)
M1A.449 Other secondary chronic gout, unspecified hand
M1A.4490 …… without tophus (tophi)
M1A.4491 …… with tophus (tophi)
M1A.45 Other secondary chronic gout, hip
M1A.451 Other secondary chronic gout, right hip
M1A.4510 …… without tophus (tophi)
M1A.4511 …… with tophus (tophi)
M1A.452 Other secondary chronic gout, left hip
M1A.4520 …… without tophus (tophi)
M1A.4521 …… with tophus (tophi)

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.