Acute encephalopathy icd 10 cm July 8, 2019 16 32 64 128 Acute hepatic encephalopathy icd 10 cm Acute toxic encephalopathy icd 10 cm Acute toxic metabolic encephalopathy icd 10 cm code Acute encephalopathy icd 10 Acute metabolic encephalopathy icd 10 Acute hepatic encephalopathy icd 10