2020 ICD-10-CM Diagnosis Code G50.8

Other disorders of trigeminal nerve

    2016 2017 2018 2019 2020 Billable/Specific Code
  • G50.8 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 G50.8 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of G50.8 - other international versions of ICD-10 G50.8 may differ.
The following code(s) above G50.8 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 G50.8:
  • G00-G99
    2020 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
  • G50-G59
    2020 ICD-10-CM Range G50-G59

    Nerve, nerve root and plexus disorders

    Type 1 Excludes
    • current traumatic nerve, nerve root and plexus disorders - see Injury, nerve by body region
    • neuralgia NOS (M79.2)
    • neuritis NOS (M79.2)
    • peripheral neuritis in pregnancy (O26.82-)
    • radiculitis NOS (M54.1-)
    Nerve, nerve root and plexus disorders
  • G50
    ICD-10-CM Diagnosis Code G50

    Disorders of trigeminal nerve

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Includes
    • disorders of 5th cranial nerve
    Disorders of trigeminal nerve
Approximate Synonyms
  • Freys trigeminal nerve syndrome
  • Left auriculotemporal syndrome
  • Left trigeminal neuropathy
  • Neuropathy (nerve damage), trigeminal
  • Right auriculotemporal syndrome
  • Right trigeminal neuropathy
  • Trigeminal nerve disorder
ICD-10-CM G50.8 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 073 Cranial and peripheral nerve disorders with mcc
  • 074 Cranial and peripheral nerve disorders without mcc

Convert G50.8 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

Diagnosis Index entries containing back-references to G50.8:
  • Atrophy, atrophic (of)
    • nerve - see also Disorder, nerve
      • cranial G52.9
        ICD-10-CM Diagnosis Code G52.9

        Cranial nerve disorder, unspecified

          2016 2017 2018 2019 2020 Billable/Specific Code
        • fifth G50.8 (trigeminal)
      • trigeminal G50.8
  • Auriculotemporal syndrome G50.8
  • Compression
    • cranial nerve G52.9
      ICD-10-CM Diagnosis Code G52.9

      Cranial nerve disorder, unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code
      • fifth G50.8
  • Disorder (of) - see also Disease
    • nerve G58.9
      ICD-10-CM Diagnosis Code G58.9

      Mononeuropathy, unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code
      • trigeminal G50.9
        ICD-10-CM Diagnosis Code G50.9

        Disorder of trigeminal nerve, unspecified

          2016 2017 2018 2019 2020 Billable/Specific Code
        • specified NEC G50.8
      • auriculotemporal G50.8
  • Frey's syndrome
    • auriculotemporal G50.8
  • Lesion(s) (nontraumatic)
    • gasserian ganglion G50.8
  • Neuropathy, neuropathic G62.9
    ICD-10-CM Diagnosis Code G62.9

    Polyneuropathy, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Neuropathy NOS
    • trigeminal sensory G50.8
  • Syndrome - see also Disease
    • Frey's
      • auriculotemporal G50.8
    • auriculotemporal G50.8
    • gustatory sweating G50.8

ICD-10-CM Codes Adjacent To G50.8
G47.6 Sleep related movement disorders
G47.61 Periodic limb movement disorder
G47.62 Sleep related leg cramps
G47.63 Sleep related bruxism
G47.69 Other sleep related movement disorders
G47.8 Other sleep disorders
G47.9 Sleep disorder, unspecified
G50 Disorders of trigeminal nerve
G50.0 Trigeminal neuralgia
G50.1 Atypical facial pain
G50.8 Other disorders of trigeminal nerve
G50.9 Disorder of trigeminal nerve, unspecified
G51 Facial nerve disorders
G51.0 Bell's palsy
G51.1 Geniculate ganglionitis
G51.2 Melkersson's syndrome
G51.3 Clonic hemifacial spasm
G51.31 …… right
G51.32 …… left
G51.33 …… bilateral
G51.39 …… unspecified

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