Acute on chronic encephalopathy icd 10 cm July 8, 2019 16 32 64 128 Icd 10 cm code for acute on chronic encephalopathy Acute encephalopathy icd 10 Chronic encephalopathy icd 10 Acute hepatic encephalopathy icd 10 Acute hypertensive encephalopathy icd 10 Acute metabolic encephalopathy icd 10