Transferrin
Label Mnemonic: TRFN
Epic Lab Code: LAB958
Downtime Form: A-1a General Laboratory Requisition
Chemistry
6240 RCP
356-3527
Specimen(s):
Plasma
Collection Medium:
Plasma Separator Tube 4.5 mL
Minimum:
3 mL whole blood from light green top tube or ONE Microtainer® for pediatric patients. Avoid hemolysis.
Delivery Instructions:
Submit specimen to laboratory as soon as possible after collection.
Testing Schedule:
24 hrs/day, 7 days a week, including holidays.
Turn Around Time:
1 hour (upon receipt in laboratory)
Reference Range:
200-360 mg/dL

Reference range changed September 25, 2013.
Comments:
Fasting Sample preferred.

This test is also performed in the Iowa River Landing (IRL) clinical laboratory (for specimens drawn at that site).
Test Limitations:
Hemolysis = 1000
Lipemia = 500
Icterus = 60
Methodology:
Immunoturbidimetric
CPT Code:
84466