SST tube
0.5 ml serum
0.25 ml serum
Collect specimen in an SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate up to 1 week or freeze for longer storage.
Collect specimen in SST tube.
Daily, 24 hrs
2 hours
Immunoturbidimetric
168-348 mg/dl
Differentiates iron deficiency anemia (increased transferrin) from hypochromic, microcytic anemias (normal to low transferrin). Transferrin is decreased in nephrotic syndrome, active inflammatory conditions, protein-losing conditions, and severe liver disease and increased in estrogen therapy.
3034-6
84466
21985
Red top or Green top (heparin).
Minimum 72 hours