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HelpTest Code Transfern Transferrin, Serum
Reporting Name
Transferrin, SUseful For
Evaluation of iron overload diseases
Evaluation of iron deficiency as a cause of anemia
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
SerumSpecimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions:
1. Within 2 hours of collection, centrifuge the specimen.
2. For serum gel tubes, aliquot serum into a plastic vial prior to shipment.
3. For red-top tubes, aliquot the serum into a plastic vial immediately after centrifuging.
Collect 1.2 mL whole blood in a Red top.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 7 days |
| Frozen | 180 days | |
| Ambient | 7 days |
Reference Values
200-360 mg/dL
Day(s) Performed
Monday through Sunday
TAT: 3 - 4 days
Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
84466
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| TRSF | Transferrin, S | 3034-6 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| TRSF | Transferrin, S | 3034-6 |
Method Description
Human transferrin forms a precipitate with a specific antiserum, which is determined turbidimetrically.(Package insert: TRSF2 reagent. Roche Diagnostics; v10.0, 04/2022)
Report Available
Same day/1 to 3 daysReject Due To
| Gross hemolysis | Reject |
| Gross lipemia | OK |
| Gross icterus | OK |
Method Name
Immunoturbidimetric Assay
Forms
If not ordering electronically, complete, print, and send a Benign Hematology Test Request Form (T755) with the specimen.