Test directory: Soluble Transferrin Receptor

Ordering Code 4377
Test Name Soluble Transferrin Receptor
Alias sTfR
Preferred Specimen Serum
Preferred Container SST (Gold)
Other Specimen/Container Plasma in EDTA, K2 (Lavender), Plasma in Lithium Heparin (Green), Plasma in Sodium Heparin (Green), Serum in Plain (Red)
Optimum Volume 1.5 mL
Transport Requirements Oahu: Refrigerated
Airline: Frozen
Specimen Stability Refrigerated: 7 Days
Frozen: 60 Days
Rejection Criteria Icteric
Avail. Stat NO
Analytic Time Up to 7 Days
Methodology Nephelometry
Reference Lab  Quest Diagnostic Lab-NI

Reference range(s)

The reference ranges listed below are valid on this date of June 29, 2025.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
Soluble Transferrin Receptor ALL See report.