Laboratory Test DirectoryShare
Soluble Transferrin Receptor
Collect: Serum Separator Tube (SST) OR Green (sodium or lithium heparin) OR lavender (EDTA) - 1 ml serum or plasma.
Specimen Preparation: Allow SST specimen to clot completely at room temperature . Separate serum from cells ASAP or within 2 hours of collection.
Storage/Transport Temperature: Refrigerated.
Unacceptable Conditions: Contaminated, severely hemolyzed, icteric, or lipemic specimens.
Stability: After separation from cells: Ambient: 72 hours; Refrigerated: 1 week; Frozen: 1 month (avoid repeated freeze/thaw cycles)
Note: This test is approved for NY .