You mean fecal caloprotectin test ?
Untreated crohns tends to have an elevated fecal caloprotectin (stool test )?
In 1000’s if flaring
Depending on the lab above 50 or 120 is borderline.
My kiddo tends to stay below 15 when his crohns is in remission .
High 160’s when he starts to flare .