Hi,
Calprotectin of 991 could well be Crohn's. The think scopes are your next step. The Crohn's can cause abnormal blood results. Amenia, high inflammatory markers and lower ferrtin or high ferritin. At least my experience mother of 3.
DD1 - DX Crohns aged 16, DD2 - Dx Uc 25 DD3 - anemia