A medical procedure that involves testing a sample of blood, urine or other substance from the body. Laboratory test can help determine a diagnosis, plan treatment, check to see if treatment is working, or monitor the disease over time. It Includes: CBC, CMP, iron panel, coagulation panel, lipid panel, thyroid panel, renal function test, hepatic function test, homocysteine, hemoglobin A1C, vitamins level, calcium, magnesium, ESR, CRP, urinalysis, urea breath test, PSA, CK, sex hormones, cultures etc.