2021 ICD-10-CM Diagnosis Code M51.45

Schmorl's nodes, thoracolumbar region

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • M51.45 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2021 edition of ICD-10-CM M51.45 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of M51.45 - other international versions of ICD-10 M51.45 may differ.
The following code(s) above M51.45 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 M51.45:
  • M00-M99
    2021 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
  • M50-M54
    2021 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
  • M51
    ICD-10-CM Diagnosis Code M51

    Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • cervical and cervicothoracic disc disorders (M50.-)
    • sacral and sacrococcygeal disorders (M53.3)
    Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders
Approximate Synonyms
  • Schmorl's nodes of thoracolumbar region
  • Schmorls nodes of thoracolumbar spine
ICD-10-CM M51.45 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 551 Medical back problems with mcc
  • 552 Medical back problems without mcc

Convert M51.45 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
  • 2021 (effective 10/1/2020): No change

Diagnosis Index entries containing back-references to M51.45:

ICD-10-CM Codes Adjacent To M51.45
M51.25 Other intervertebral disc displacement, thoracolumbar region
M51.26 Other intervertebral disc displacement, lumbar region
M51.27 Other intervertebral disc displacement, lumbosacral region
M51.3 Other thoracic, thoracolumbar and lumbosacral intervertebral disc degeneration
M51.34 Other intervertebral disc degeneration, thoracic region
M51.35 Other intervertebral disc degeneration, thoracolumbar region
M51.36 Other intervertebral disc degeneration, lumbar region
M51.37 Other intervertebral disc degeneration, lumbosacral region
M51.4 Schmorl's nodes
M51.44 …… thoracic region
M51.45 …… thoracolumbar region
M51.46 …… lumbar region
M51.47 …… lumbosacral region
M51.8 Other thoracic, thoracolumbar and lumbosacral intervertebral disc disorders
M51.84 Other intervertebral disc disorders, thoracic region
M51.85 Other intervertebral disc disorders, thoracolumbar region
M51.86 Other intervertebral disc disorders, lumbar region
M51.87 Other intervertebral disc disorders, lumbosacral region
M51.9 Unspecified thoracic, thoracolumbar and lumbosacral intervertebral disc disorder
M53 Other and unspecified dorsopathies, not elsewhere classified
M53.0 Cervicocranial syndrome

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