G04.0Non-billable
Acute disseminated encephalitis and encephalomyelitis (ADEM)
Chapter 6: Diseases of the nervous system
Coding Guidance
G04.0 should not be used for reimbursement purposes as there are more specific codes below it that contain a greater level of detail. See Related Codes to drill down to more specific billable codes for appropriate reimbursement.
Referenced in Diagnoses
Conditions that use this ICD-10 code in their documentation
View documentation for encephalitis
encephalitis
View TemplatesEncephalitis
Additional Information from Parent Codes
The following information may apply to this code from its parent codes in the ICD-10 hierarchy. This information is important for proper coding and classification.
Parent Codes Referenced:
Includes
3 items
Includes
From G04:
- •acute ascending myelitis
- •meningoencephalitis
- •meningomyelitis
Excludes2
15 items
Excludes2
From G00-G99:
- •certain conditions originating in the perinatal period (P04-P96)
- •certain infectious and parasitic diseases (A00-B99)
- •
- •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)