2020 ICD-10-CM Diagnosis Code M77.8

Other enthesopathies, not elsewhere classified

    2016 2017 2018 2019 2020 Billable/Specific Code
  • M77.8 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 M77.8 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of M77.8 - other international versions of ICD-10 M77.8 may differ.
The following code(s) above M77.8 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 M77.8:
  • 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
  • Bone spur of bilateral elbows
  • Bone spur of bilateral wrists
  • Enthesopathy of bilateral wrists
  • Enthesopathy of carpus
  • Enthesopathy of elbow region
  • Enthesopathy of left elbow
  • Enthesopathy of right elbow
  • Enthesopathy of wrist
  • Peripheral enthesopathy
  • Tendinitis and/or tenosynovitis of the elbow region
  • Tendinitis of elbow
  • Tendinitis of wrist
  • Tendonitis of wrist
ICD-10-CM M77.8 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 M77.8 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

Diagnosis Index entries containing back-references to M77.8:
  • Bursitis M71.9
    ICD-10-CM Diagnosis Code M71.9

    Bursopathy, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Bursitis NOS
    • radiohumeral M77.8
  • Enthesopathy (peripheral) M77.9
    ICD-10-CM Diagnosis Code M77.9

    Enthesopathy, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Bone spur NOS
    • Capsulitis NOS
    • Periarthritis NOS
    • Tendinitis NOS

ICD-10-CM Codes Adjacent To M77.8
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
M77.50 Other enthesopathy of unspecified foot and ankle
M77.51 Other enthesopathy of right foot and ankle
M77.52 Other enthesopathy of left foot and ankle
M77.8 Other enthesopathies, not elsewhere classified
M77.9 Enthesopathy, unspecified
M79 Other and unspecified soft tissue disorders, not elsewhere classified
M79.0 Rheumatism, unspecified
M79.1 Myalgia
M79.10 …… unspecified site
M79.11 …… of mastication muscle
M79.12 …… of auxiliary muscles, head and neck
M79.18 …… other site
M79.2 Neuralgia and neuritis, unspecified
M79.3 Panniculitis, unspecified

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