You may get an X-ray, especially if you have recent / new back pain or are older

This usually includes anterior -posterior (front/back) and lateral (side) images. It may also include bending forward and backward ( flexion-extension) images if you also have leg pain/ numbness/ tingling.

Fractures, infection or instability are concerning. Most have some degenerative disease with age, and is not necessarily the cause of the back pain.