2020 ICD-10-CM Diagnosis Code M77.21

Periarthritis, right wrist

    2016 2017 2018 2019 2020 Billable/Specific Code
  • M77.21 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM M77.21 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of M77.21 - other international versions of ICD-10 M77.21 may differ.
The following code(s) above M77.21 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 M77.21:
  • 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
  • M77
    ICD-10-CM Diagnosis Code M77

    Other enthesopathies

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    Type 2 Excludes
    • bursitis due to use, overuse and pressure (M70.-)
    • osteophyte (M25.7)
    • spinal enthesopathy (M46.0-)
    Other enthesopathies
Approximate Synonyms
  • Periarthritis of bilateral wrists
  • Periarthritis of right wrist
ICD-10-CM M77.21 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 557 Tendonitis, myositis and bursitis with mcc
  • 558 Tendonitis, myositis and bursitis without mcc

Convert M77.21 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
  • 2020 (effective 10/1/2019): No change
ICD-10-CM Codes Adjacent To M77.21
M77.0 Medial epicondylitis
M77.00 …… unspecified elbow
M77.01 …… right elbow
M77.02 …… left elbow
M77.1 Lateral epicondylitis
M77.10 …… unspecified elbow
M77.11 …… right elbow
M77.12 …… left elbow
M77.2 Periarthritis of wrist
M77.20 Periarthritis, unspecified wrist
M77.21 Periarthritis, right wrist
M77.22 Periarthritis, left wrist
M77.3 Calcaneal spur
M77.30 …… unspecified foot
M77.31 …… right foot
M77.32 …… left foot
M77.4 Metatarsalgia
M77.40 …… unspecified foot
M77.41 …… right foot
M77.42 …… left foot
M77.5 Other enthesopathy of foot and ankle

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