History of gastric bypass surgery icd 10 code July 8, 2019 16 32 64 128 Icd 10 code for personal history of gastric bypass surgery Icd 10 cm code for history of gastric bypass surgery History of gastric bypass surgery icd 10 History of gastric bypass icd 10 code Gastric bypass history icd 10 H/o gastric bypass surgery icd 10