ESR, Gram Stain and Culture,Serum/Plasma Glucose,Serum Urea and Creatinine,Serum Calcium, Serum Inorganic Phosphorus,PTH,Serum Total Protein and Albumin, Bence-Jones Protein,Protein Electrophoresis,Cholesterol,Serum Alkaline Phosphatase, Serum PAP,Serum PSA,total bilirubin, serum aspartate aminotransferase,Serum creatinine kinase,TSH,uric acid,RH factor,anti-nuclear antibody, HLA-B27,potassium, sodium, iron, ferritin, b12 and RBC folate, pro time, fetal occult blood....all in the end, to get a better picture of what is going on within the patient so that the proper referral to a specialist can be made, rather than send them to the PCP, who will just refer them to the said specialist anyways- all of these tests cost 30.00 or under (except for parathyroid hormone and bence-jones protein which are more expensive).