Icd 10 code for gastroenteritis with severe dehydration July 8, 2019 16 32 64 128 Icd 10 code for acute gastroenteritis with severe dehydration Acute gastroenteritis with mild dehydration icd 10 Gastroenteritis. icd 10 Acute gastroenteritis with dehydration icd 10 Gastroenteritis acute icd 10 Gastroenteritis acuta icd 10