Encephalopathy history icd 10 July 8, 2019 16 32 64 128 History of hepatic encephalopathy icd 10 code Hepatic encephalopathy history icd 10 History of anoxic encephalopathy icd 10 History of hypoxic encephalopathy icd 10 History of hypertensive encephalopathy icd 10 History of neonatal encephalopathy icd 10