G94 Other disorders of brain in diseases classified elsewhere

Billable/Specific

Code First

underlying disease

Type 1 Excludes

encephalopathy in congenital syphilis (A50.49)
encephalopathy in influenza (J09.X9, J10.81, J11.81)
encephalopathy in syphilis (A52.19)
hydrocephalus in diseases classified elsewhere (G91.4)