A09,E86.9          Acute Gastroenteritis (AGE), with Dehydration (level unspecified)
A09,E86.0          Acute Gastroenteritis (AGE) with mild/some Dehydration
A09,E86.1          Acute Gastroenteritis (AGE) with moderate/ marked Dehydration 
A09,E86.2          Acute Gastroenteritis (AGE) with severe Dehydration