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 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)
Code First
The underlying condition must be sequenced before this code
- poisoning due to drug or toxin, if applicable, (T36-T65 with fifth or sixth character 1-4)
Use Additional Code
Additional codes that should follow this code
- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Also Known As / Clinical Terms
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
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 you should also code: code for 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.
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
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.