G92.9
BillableUnspecified toxic encephalopathy
Unspecified toxic encephalopathy
Coding Notes
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
Code First
The underlying condition must be sequenced before this code
Use Additional Code
Additional codes that should follow this code
Related Codes(2)
Also Known As / Clinical Terms(62)
SNOMED CT
- Organic mercury compound causing toxic effect22130008
- Organic mercury poisoning22130008
- Toxic encephalopathy28394000
- Lead encephalopathy51399001
- Toxic encephalopathy caused by lead51399001
- Encephalopathy caused by mercury55623006
- Hatter's shakes55623006
- Toxic encephalopathy caused by mercury55623006
- Toxic encephalopathy caused by hydroxyquinoline73935008
- Toxic encephalopathy caused by carbon tetrachloride74267005
- Drug-induced encephalopathy230354009
- Encephalopathy caused by heavy metal230355005
- Encephalopathy caused by heavy metals230355005
- Inflammation of spinal cord caused by toxin431520004
- Myelitis caused by toxin431520004
- Toxic myelitis431520004
- Ammonia encephalopathy788916009
- Encephalopathy caused by ammonia788916009
- Lead and/or lead compound poisoning1145155005
- Plumbism1145155005
- Saturnine poisoning1145155005
- Toxic encephalopathy caused by monomethyl mercury1156340006
- Carbon monoxide encephalopathy1186868005
- Disorder of brain caused by carbon monoxide1186868005
- Encephalopathy caused by carbon monoxide1186868005
- Disorder of brain caused by organic phosphorus compound1186870001
- Encephalopathy caused by organophosphate1186870001
- Organophosphate encephalopathy1186870001
- Arsenic encephalopathy1186872009
- Disorder of brain caused by arsenic1186872009
- Encephalopathy caused by arsenic1186872009
Clinical Terms
- Carbon monoxide encephalopathy
- Encephalopathy caused by organophosphate
- Disorder of brain caused by arsenic
- Toxic encephalopathy caused by monomethyl mercury
- Toxic encephalopathy caused by lead
- Plumbism
- Encephalopathy caused by mercury
- Organophosphate encephalopathy
- Disorder of brain caused by carbon monoxide
- Hatter's shakes
- Toxic encephalopathy caused by mercury
- Arsenic encephalopathy
- Ammonia encephalopathy
- Encephalopathy caused by ammonia
- Toxic myelitis
- Encephalopathy caused by heavy metals
- Lead and/or lead compound poisoning
- Disorder of brain caused by organic phosphorus compound
- Myelitis caused by toxin
- Organic mercury compound causing toxic effect
- Toxic encephalopathy caused by hydroxyquinoline
- Lead encephalopathy
- Organic mercury poisoning
- Saturnine poisoning
- Toxic encephalopathy caused by carbon tetrachloride
- Inflammation of spinal cord caused by toxin
- Encephalopathy caused by arsenic
- Drug-induced encephalopathy
- Encephalopathy caused by heavy metal
- Encephalopathy caused by carbon monoxide
Frequently Asked Questions
What is the ICD-10 code for unspecified toxic encephalopathy?
The ICD-10-CM code for unspecified toxic encephalopathy is G92.9. The full clinical description is "Unspecified toxic encephalopathy". G92.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code G92.9 mean?
ICD-10-CM code G92.9 represents “Unspecified toxic encephalopathy”. It is classified under Chapter 6: Diseases of the Nervous System and is a billable/specific code that can be used on a claim.
Is G92.9 a billable code?
Yes, G92.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is G92.9 in?
G92.9 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
Are additional codes required with G92.9?
Yes, when using G92.9, also report: adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5).
What SNOMED CT codes does G92.9 map to?
G92.9 maps to 15 SNOMED CT concepts: 788916009, 1186872009, 1186868005, 1186870001, 230354009, and 10 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for G92.9?
G92.9 is linked to 1 UMLS Concept Unique Identifier: C5539149. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G92.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like unspecified toxic encephalopathy affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of G92.9?
There is no direct ICD-11 mapping available for G92.9 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.