2020 ICD-10-CM Diagnosis Code M70.21

Olecranon bursitis, right elbow

    2016 2017 2018 2019 2020 Billable/Specific Code
  • M70.21 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 M70.21 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of M70.21 - other international versions of ICD-10 M70.21 may differ.
The following code(s) above M70.21 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 M70.21:
  • M00-M99
    2020 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
  • M70
    ICD-10-CM Diagnosis Code M70

    Soft tissue disorders related to use, overuse and pressure

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    • soft tissue disorders of occupational origin
    Type 1 Excludes
    Type 2 Excludes
    • bursitis of shoulder (M75.5)
    • enthesopathies (M76-M77)
    • pressure ulcer (pressure area) (L89.-)
    Use Additional
    • external cause code to identify activity causing disorder (Y93.-)
    Soft tissue disorders related to use, overuse and pressure
Approximate Synonyms
  • Bilateral olecranon bursitis
  • Bursitis of bilateral olecranon bursa
  • Bursitis of olecranon of right elbow
  • Right olecranon bursitis
ICD-10-CM M70.21 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 M70.21 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 M70.21
M70.04 Crepitant synovitis (acute) (chronic), hand
M70.041 Crepitant synovitis (acute) (chronic), right hand
M70.042 Crepitant synovitis (acute) (chronic), left hand
M70.049 Crepitant synovitis (acute) (chronic), unspecified hand
M70.1 Bursitis of hand
M70.10 Bursitis, unspecified hand
M70.11 Bursitis, right hand
M70.12 Bursitis, left hand
M70.2 Olecranon bursitis
M70.20 …… unspecified elbow
M70.21 …… right elbow
M70.22 …… left elbow
M70.3 Other bursitis of elbow
M70.30 …… unspecified elbow
M70.31 …… right elbow
M70.32 …… left elbow
M70.4 Prepatellar bursitis
M70.40 …… unspecified knee
M70.41 …… right knee
M70.42 …… left knee
M70.5 Other bursitis of knee

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