Test Details: This test is a screening tool to detect and confirm numerous hematological disorders, to establish or rule out various diseases, detect specific parasitic infections or to monitor effects of radiation or chemotherapy. A peripheral blood smear review is performed when clinically significant diagnosis is to be confirmed on microscopic examination. Erythrocyte sedimentation rate (ESR), is a blood test that can reveal inflammatory conditions in the body. ESR test in addition to other tests, helps the doctor diagnose or monitor the progress of an inflammatory disease.