2020 ICD-10-CM Diagnosis Code M50.321

Other cervical disc degeneration at C4-C5 level

    2017 - New Code 2018 2019 2020 Billable/Specific Code
  • M50.321 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 M50.321 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of M50.321 - other international versions of ICD-10 M50.321 may differ.
Applicable To
  • Other C4-C5 cervical disc degeneration
The following code(s) above M50.321 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 M50.321:
  • 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
  • M50-M54
    2020 ICD-10-CM Range M50-M54

    Other dorsopathies

    Type 1 Excludes
    • current injury - see injury of spine by body region
    • discitis NOS (M46.4-)
    Other dorsopathies
  • M50
    ICD-10-CM Diagnosis Code M50

    Cervical disc disorders

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Includes
    • cervicothoracic disc disorders with cervicalgia
    • cervicothoracic disc disorders
    Note
    • code to the most superior level of disorder
    Cervical disc disorders
ICD-10-CM M50.321 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 551 Medical back problems with mcc
  • 552 Medical back problems without mcc

Convert M50.321 to ICD-9-CM

Code History
  • 2017 (effective 10/1/2016): New code
  • 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 M50.321:
  • Disorder (of) - see also Disease
    • disc (intervertebral) M51.9
      ICD-10-CM Diagnosis Code M51.9

      Unspecified thoracic, thoracolumbar and lumbosacral intervertebral disc disorder

        2016 2017 2018 2019 2020 Billable/Specific Code
      • cervical M50.90
        ICD-10-CM Diagnosis Code M50.90

        Cervical disc disorder, unspecified, unspecified cervical region

          2016 2017 2018 2019 2020 Billable/Specific Code
        • degeneration M50.30
          ICD-10-CM Diagnosis Code M50.30

          Other cervical disc degeneration, unspecified cervical region

            2016 2017 2018 2019 2020 Billable/Specific Code
          • C4-C5 M50.321

ICD-10-CM Codes Adjacent To M50.321
M50.220 …… unspecified level
M50.221 Other cervical disc displacement at C4-C5 level
M50.222 Other cervical disc displacement at C5-C6 level
M50.223 Other cervical disc displacement at C6-C7 level
M50.23 …… cervicothoracic region
M50.3 Other cervical disc degeneration
M50.30 …… unspecified cervical region
M50.31 …… high cervical region
M50.32 Other cervical disc degeneration, mid-cervical region
M50.320 …… unspecified level
M50.321 Other cervical disc degeneration at C4-C5 level
M50.322 Other cervical disc degeneration at C5-C6 level
M50.323 Other cervical disc degeneration at C6-C7 level
M50.33 …… cervicothoracic region
M50.8 Other cervical disc disorders
M50.80 …… unspecified cervical region
M50.81 …… high cervical region
M50.82 Other cervical disc disorders, mid-cervical region
M50.820 …… unspecified level
M50.821 Other cervical disc disorders at C4-C5 level
M50.822 Other cervical disc disorders at C5-C6 level

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