“Anti-extractable Nuclear (A/g)” has been added to your cart. View cart “Antinuclear Antibody (ANA)” has been added to your cart. View cart “Complete Blood Count (CBC)” has been added to your cart. View cart 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 TestingAmylase, Serum $39.00 Add to cart Quick View Quick View Individual TestingHLA-B27 Antigen $169.00 Add to cart Quick View Quick View Individual TestingCyclic Citrullinated Peptide Antibody (CCP) $149.00 Add to cart