Mg++ - MG OB - OB Mg Therapy
Specimen Collection Requirements
Fasting (8-14 hours) is recommended but not necessary.
Serum or Plasma, one 5.0 mL gold (SST), 7.0 mL red, or 3.0 mL mint green (lithium heparin, PST) top tube
Allow serum to clot completely at room temperature (minimum: SST - 30 minutes and red top tubes - 60 minutes). Preferably separate serum or plasma from red blood cells before transport.
0.25 mL Serum/Plasma (0.60 mL minimum whole blood draw)
Grossly hemolyzed specimens, avoid using anticoagulants that bind magnesium such as EDTA, oxalate and citrate
AFTER SEPARATION FROM CELLS: Room Temperature (18-26°C): 24 hours; Refrigerated (2-8°C): 7 days; Frozen (≤ -20°C): 1 month
Eltrombopag and its metabolites may interfere with this assay causing erroneously high patient results.
Wednesday, February 3, 2021 01:37:01 AM
Client Services: 503-413-1234