2023

  1. ICD-10-CM Codes
    2. ›
  2. M00-M99
    3. ›
  3. M50-M54
    4. ›
  4. M51-
    5. ›
  5. 2023 ICD-10-CM Diagnosis Code M51.9

2023 ICD-10-CM Diagnosis Code M51.9

Unspecified thoracic, thoracolumbar and lumbosacral intervertebral disc disorder

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • M51.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Unsp thoracic, thoracolum and lumbosacr intvrt disc disorder
  • The 2023 edition of ICD-10-CM M51.9 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of M51.9 - other international versions of ICD-10 M51.9 may differ.
The following code(s) above M51.9 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 M51.9:
  • M00-M99
    2023 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
    2023 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 2022 2023 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
  • Compressive myelopathy
  • Disorder of intervertebral disc of thoracic spine
  • Disorder of lumbar disc
  • Disorder of lumbar intervertebral disc
  • Displacement of intervertebral disc without myelopathy
  • Herniated intervertebral disc
  • Intervertebral disc disorder
  • Intervertebral disc disorder with myelopathy
  • Intervertebral disc herniation
  • Intervertebral disc prolapse
  • Lumbar disc disorder
  • Myelopathy due to spinal cord compression
  • Prolapsed intervertebral disc without myelopathy
  • Schmorl's nodes
  • Schmorls nodes
  • Thoracic disc disorder
ICD-10-CM M51.9 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 551 Medical back problems with mcc
  • 552 Medical back problems without mcc

Convert M51.9 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
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change

Diagnosis Index entries containing back-references to M51.9:

ICD-10-CM Codes Adjacent To M51.9
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
M51.A Other lumbar and lumbosacral annulus fibrosus disc defects
M51.A0 Intervertebral annulus fibrosus defect, lumbar region, unspecified size
M51.A1 Intervertebral annulus fibrosus defect, small, lumbar region
M51.A2 Intervertebral annulus fibrosus defect, large, lumbar region
M51.A3 Intervertebral annulus fibrosus defect, lumbosacral region, unspecified size
M51.A4 Intervertebral annulus fibrosus defect, small, lumbosacral region
M51.A5 Intervertebral annulus fibrosus defect, large, lumbosacral region
M53 Other and unspecified dorsopathies, not elsewhere classified
M53.0 Cervicocranial syndrome
M53.1 Cervicobrachial syndrome

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

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