Test Directory

Transferrin

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Updated Test Information:

Test Description
Transferrin
Test ID
TRSF
Specimen Type
Serum
Alternate Specimen Type
Li‑heparin
Specimen Requirements
Red Top
Specimen Collection / Processing Instructions
Red Top - Samples should not be taken from patients receiving therapy with high biotin doses (i.e.greater than 5 
mg/day) until at least 8 
hours following the last biotin administration. Transfer separated serum or plasma to an aliquot tube
Stability
8 days at 15-25, 8 days at 2-8, 6 months at -15 to -25°C
Unacceptable Specimen Conditions
EDTA or citrate plasma
Methodology
Immunoturbidimetric
Estimated TAT
0-2 days
Testing Schedule
Monday-Saturday
CPT Code(s)
84466
Minimum Sample Volume
1 mL
Pediatric Min. Volume (if applicable)
500 uL
Reference Range
200-360 mg/dL
Performing Lab
Incyte Diagnostics
LOINC Code(s)
3034-6