Mayo Clinic Health Manager
Get free personalized health guidance for you and your family.
Get StartedTests and diagnosis
By Mayo Clinic staffScreening and diagnosis of sacroiliitis is difficult, but your doctor may confirm a diagnosis based on:
- Localized pain that seems to be on or around your sacroiliac joints, which a doctor can determine by pressing on your sacroiliac region while you move in certain ways to gently stress the sacroiliac joint
- X-rays of your sacroiliac joints
- CT scan or magnetic resonance imaging (MRI) scan of your sacroiliac joints
- Cultures of fluid from the sacroiliac joint
- Blood culture, if the cause appears to be an infection