<qa>  What is the presence of clinical and investigative evidence of inflammatory spondylo- Presence of clinical and investigative evidence of inflammatory spondyloarthropathy, fibromyalgia, radiculopathy, symptomatic spinal stenosis, facetogenic or discogenic low back pain, generalized infection, localized infection in the area of the low backSIJs, coagulopathy or anticoagulation, allergy to local anesthetic 