K76.82 Hepatic encephalopathy

Hepatic encephalopathy, NOS
Hepatic encephalopathy without coma
Hepatocerebral intoxication
Portal-systemic encephalopathy

Excludes1: acute and subacute hepatic failure with coma (K72.01)
alcoholic hepatic failure with coma (K70.41)
chronic hepatic failure with coma (K72.11)
hepatic failure with coma (K72.91)

Code also: underlying liver disease, such as:
acute and subacute hepatic failure without coma (K72.00)
alcoholic hepatic failure without coma (K70.40)
chronic hepatic failure without coma (K72.10)
hepatic failure with toxic liver disease without coma (K71.10)
hepatic failure without coma (K72.90)
icterus of newborn (P55-P59)
postprocedural hepatic failure (K91.82)
viral hepatitis without hepatic coma (B15.9, B16.1, B16.9, B17.10, B19.10, B19.20, B19.9)