2022 ICD-10-CM Diagnosis Code G12.23

Primary lateral sclerosis

    2018 - New Code 2019 2020 2021 2022 Billable/Specific Code
  • G12.23 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2022 edition of ICD-10-CM G12.23 became effective on October 1, 2021.
  • This is the American ICD-10-CM version of G12.23 - other international versions of ICD-10 G12.23 may differ.
The following code(s) above G12.23 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 G12.23:
  • G00-G99
    2022 ICD-10-CM Range G00-G99

    Diseases of the nervous system

    Type 2 Excludes
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • 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 nervous system
ICD-10-CM G12.23 is grouped within Diagnostic Related Group(s) (MS-DRG v39.0):
  • 056 Degenerative nervous system disorders with mcc
  • 057 Degenerative nervous system disorders without mcc

Convert G12.23 to ICD-9-CM

Code History
  • 2018 (effective 10/1/2017): New code
  • 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

Diagnosis Index entries containing back-references to G12.23:
  • Paralysis, paralytic (complete) (incomplete) G83.9
    ICD-10-CM Diagnosis Code G83.9

    Paralytic syndrome, unspecified

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
    • lateral G12.23
  • Sclerosis, sclerotic
    • lateral (amyotrophic) (descending) (spinal) G12.21
      ICD-10-CM Diagnosis Code G12.21

      Amyotrophic lateral sclerosis

        2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code Adult Dx (15-124 years)
      • primary G12.23
    • spinal (cord) (progressive) G95.89
      ICD-10-CM Diagnosis Code G95.89

      Other specified diseases of spinal cord

        2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
      Applicable To
      • Cord bladder NOS
      • Drug-induced myelopathy
      • Radiation-induced myelopathy
      Type 1 Excludes
      • lateral (amyotrophic) G12.21
        ICD-10-CM Diagnosis Code G12.21

        Amyotrophic lateral sclerosis

          2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code Adult Dx (15-124 years)
        • progressive G12.23
    • primary, lateral G12.23

ICD-10-CM Codes Adjacent To G12.23
G11.4 Hereditary spastic paraplegia
G11.8 Other hereditary ataxias
G11.9 Hereditary ataxia, unspecified
G12 Spinal muscular atrophy and related syndromes
G12.0 Infantile spinal muscular atrophy, type I [Werdnig-Hoffman]
G12.1 Other inherited spinal muscular atrophy
G12.2 Motor neuron disease
G12.20 …… unspecified
G12.21 Amyotrophic lateral sclerosis
G12.22 Progressive bulbar palsy
G12.23 Primary lateral sclerosis
G12.24 Familial motor neuron disease
G12.25 Progressive spinal muscle atrophy
G12.29 Other motor neuron disease
G12.8 Other spinal muscular atrophies and related syndromes
G12.9 Spinal muscular atrophy, unspecified
G13 Systemic atrophies primarily affecting central nervous system in diseases classified elsewhere
G13.0 Paraneoplastic neuromyopathy and neuropathy
G13.1 Other systemic atrophy primarily affecting central nervous system in neoplastic disease
G13.2 Systemic atrophy primarily affecting the central nervous system in myxedema
G13.8 Systemic atrophy primarily affecting central nervous system in other diseases classified elsewhere

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