2022 ICD-10-CM Diagnosis Code G92

Toxic encephalopathy

    2016 2017 2018 2019 2020 2021 2022 - Converted to Parent Code 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.
  • ICD-10-CM G92 is a new 2022 ICD-10-CM code that became effective on October 1, 2021.
  • 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
    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
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
ICD-10-CM Codes Adjacent To G92
G90.8 Other disorders of autonomic nervous system
G90.9 Disorder of the autonomic nervous system, unspecified
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.