2023 ICD-10-CM Diagnosis Code G92

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Toxic encephalopathy

    2016 2017 2018 2019 2020 2021 2022 - Converted to Parent Code 2023 Non-Billable/Non-Specific Code
  • G92 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2023 edition of ICD-10-CM G92 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of G92 - other international versions of ICD-10 G92 may differ.
The following code(s) above G92 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 G92:
  • G00-G99
    2023 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
Approximate Synonyms
  • Inflammation of spinal cord due to toxin
  • Toxic encephalitis
  • Toxic encephalomyelitis
  • Toxic myelitis
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): Deleted code
  • 2022 (effective 10/1/2021): New code
  • 2023 (effective 10/1/2022): No change
ICD-10-CM Codes Adjacent To G92
G90.9 Disorder of the autonomic nervous system, unspecified
G90.A Postural orthostatic tachycardia syndrome [POTS]
G91 Hydrocephalus
G91.0 Communicating hydrocephalus
G91.1 Obstructive hydrocephalus
G91.2 (Idiopathic) normal pressure hydrocephalus
G91.3 Post-traumatic hydrocephalus, unspecified
G91.4 Hydrocephalus in diseases classified elsewhere
G91.8 Other hydrocephalus
G91.9 Hydrocephalus, unspecified
G92 Toxic encephalopathy
G92.0 Immune effector cell-associated neurotoxicity syndrome
G92.00 …… grade unspecified
G92.01 …… grade 1
G92.02 …… grade 2
G92.03 …… grade 3
G92.04 …… grade 4
G92.05 …… grade 5
G92.8 Other toxic encephalopathy
G92.9 Unspecified toxic encephalopathy
G93 Other disorders of brain

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