Instruction Source: G04.01
Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)
Excludes 1 (Mutually Exclusive)
- post chickenpox encephalitis (B01.1)
- post measles encephalitis (B05.0)
- post measles myelitis (B05.1)
Instruction Source: G04.0
Acute disseminated encephalitis and encephalomyelitis (ADEM)
Excludes 1 (Mutually Exclusive)
- acute necrotizing hemorrhagic encephalopathy (G04.3-)
- other noninfectious acute disseminated encephalomyelitis (noninfectious ADEM) (G04.81)
Instruction Source: G04
Encephalitis, myelitis and encephalomyelitis
Excludes 1 (Mutually Exclusive)
- encephalopathy NOS (G93.40)
Excludes 2 (Not Included Here)
- acute transverse myelitis (G37.3)
- alcoholic encephalopathy (G31.2)
- multiple sclerosis (G35-)
- myalgic encephalomyelitis (G93.32)
- subacute necrotizing myelitis (G37.4)
- toxic encephalitis (G92.8)
- toxic encephalopathy (G92.8)
Inclusion Terms
- acute ascending myelitis
- meningoencephalitis
- meningomyelitis
Instruction Source: G00-G09
Inflammatory diseases of the central nervous system (G00-G09)
Instruction Source: G00-G99
Diseases of the nervous system
Excludes 2 (Not Included Here)
- 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)