Erythrocyte Sedimentation Rate (ESR) Blood Adult < 50 years Male: 0-15 mm/hour Female: 0-20 mm/hour Adult > 50 years Male: 0-20 mm/hour Female: 0-30 mm/hour Child: 0-10 mm/hour To identify and monitor disease activity in infectious, inflammatory, and neoplastic conditions, especially useful in rheumatic and collagen diseases Rheumatoid Arthritis Multiple Myeloma Rheumatic Fever Waldenstrom's Macroglobulinemia Inflammation Anemias Pregnancy Polymyalgia rheumatica Sickle Cell Anemia Polycythemia Spherocytosis Hypofibrinogenemia Anemias