Previous Product Next Product 🔍 Magnesium, Serum $139.00 Evaluate levels of magnesium in the blood (urine) and determine the cause of abnormal magnesium levels. Magnesium, Serum quantity -+ Add to cart Category: Individual Testing Description Description Magnesium, Serum Related products Quick View Quick View Individual TestingCyclic Citrullinated Peptide Antibody (CCP) $149.00 Add to cart Quick View Quick View Individual TestingAntinuclear Antibody (ANA) $79.00 Add to cart Quick View Quick View Individual TestingC-Reactive Protein (CRP) $60.00 Add to cart