2020 ICD-10-CM Diagnosis Code M1A.421

Other secondary chronic gout, right elbow

    2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
  • M1A.421 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2020 edition of ICD-10-CM M1A.421 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of M1A.421 - other international versions of ICD-10 M1A.421 may differ.
The following code(s) above M1A.421 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.421:
  • M00-M99
    2020 ICD-10-CM Range M00-M99

    Diseases of the musculoskeletal system and connective tissue

    Note
    • 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 2020 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 2020 Non-Billable/Non-Specific Code
    Code First
    • associated condition
    Other secondary chronic gout
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
  • 2020 (effective 10/1/2019): No change
ICD-10-CM Codes Adjacent To M1A.421
M1A.411 Other secondary chronic gout, right shoulder
M1A.4110 …… without tophus (tophi)
M1A.4111 …… with tophus (tophi)
M1A.412 Other secondary chronic gout, left shoulder
M1A.4120 …… without tophus (tophi)
M1A.4121 …… with tophus (tophi)
M1A.419 Other secondary chronic gout, unspecified shoulder
M1A.4190 …… without tophus (tophi)
M1A.4191 …… with tophus (tophi)
M1A.42 Other secondary chronic gout, elbow
M1A.421 Other secondary chronic gout, right elbow
M1A.4210 …… without tophus (tophi)
M1A.4211 …… with tophus (tophi)
M1A.422 Other secondary chronic gout, left elbow
M1A.4220 …… without tophus (tophi)
M1A.4221 …… with tophus (tophi)
M1A.429 Other secondary chronic gout, unspecified elbow
M1A.4290 …… without tophus (tophi)
M1A.4291 …… with tophus (tophi)
M1A.43 Other secondary chronic gout, wrist
M1A.431 Other secondary chronic gout, right wrist

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