Soluble Transferrin Receptor (sTfR)
Order Code: SO
CPT Code: 84238
Referral Laboratory: ARUP
Effective April 22, 2020, MLabs will forward all Soluable Transferrin Receptor sTfR Serum (STRF) testing to ARUP due to a reagent issue at Mayo Medical Laboratories.
Collection instructions: Collect approximately 2 mL of whole blood in a EDTA lavender top or heparin green top vacutainer. Centrifuge and aliquot a minimum of 1 mL of plasma into a plastic vial. Ship the specimen to MLabs refrigerated.
Methodology: Quantitative Immunoturbidimetry
Analytic Time: 2-5 days
Reference Range: Male - 18 years & older: 2.2-5.0 mg/L
Female - 18 years & older: 1.9-4.4 mg/L