2019 ICD-10-CM Diagnosis Code M99.02

Segmental and somatic dysfunction of thoracic region

    2016 2017 2018 2019 Billable/Specific Code
  • M99.02 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2019 edition of ICD-10-CM M99.02 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of M99.02 - other international versions of ICD-10 M99.02 may differ.
The following code(s) above M99.02 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 M99.02:
  • M00-M99
    2019 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
  • M99
    ICD-10-CM Diagnosis Code M99

    Biomechanical lesions, not elsewhere classified

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    • This category should not be used if the condition can be classified elsewhere.
    Biomechanical lesions, not elsewhere classified
Approximate Synonyms
  • Cervicothoracic segmental dysfunction
  • Segmental and somatic dysfunction of thorax
  • Segmental and somatic dysfunction, thoracic region
  • Segmental dysfunction of cervicothoracic region
  • Somatic dysfunction of thoracic region
  • Thoracic somatic dysfunction
ICD-10-CM M99.02 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):
  • 551 Medical back problems with mcc
  • 552 Medical back problems without mcc

Convert M99.02 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

Diagnosis Index entries containing back-references to M99.02:
  • Dysfunction
    • somatic M99.09
      ICD-10-CM Diagnosis Code M99.09

      Segmental and somatic dysfunction of abdomen and other regions

        2016 2017 2018 2019 Billable/Specific Code
      • thoracic region M99.02
      • thoracolumbar M99.02

ICD-10-CM Codes Adjacent To M99.02
M97.8XXD …… subsequent encounter
M97.8XXS …… sequela
M97.9 Periprosthetic fracture around unspecified internal prosthetic joint
M97.9XXA …… initial encounter
M97.9XXD …… subsequent encounter
M97.9XXS …… sequela
M99 Biomechanical lesions, not elsewhere classified
M99.0 Segmental and somatic dysfunction
M99.00 …… of head region
M99.01 …… of cervical region
M99.02 …… of thoracic region
M99.03 …… of lumbar region
M99.04 …… of sacral region
M99.05 …… of pelvic region
M99.06 …… of lower extremity
M99.07 …… of upper extremity
M99.08 …… of rib cage
M99.09 …… of abdomen and other regions
M99.1 Subluxation complex (vertebral)
M99.10 …… of head region
M99.11 …… of cervical region

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