Low back pain.

Procedure Appropriateness Category Relative Radiation Level Radiography lumbar spine Usually Not Appropriate ☢☢☢ MRI lumbar spine with IV contrast Usually Not Appropriate O MRI lumbar spine without and with IV contrast Usually Not Appropriate O MRI lumbar spine without IV contrast Usually Not Appropriate O Bone scan whole body with SPECT or SPECT/CT complete spine Usually Not Appropriate ☢☢☢ CT lumbar spine with IV contrast Usually Not Appropriate ☢☢☢ CT lumbar spine without IV contrast Usually Not Appropriate ☢☢☢ Discography and post-discography CT lumbar spine Usually Not Appropriate ☢☢☢ CT lumbar spine without and with IV contrast Usually Not Appropriate ☢☢☢☢ CT myelography lumbar spine Usually Not Appropriate ☢☢☢☢ FDG-PET/CT whole body Usually Not Appropriate ☢☢☢☢