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Catalog ID Trans Transferrin

CPOE Test Name

Transferrin

Synonyms

Siderophilin

Specimen Type

Serum

Specimen Requirements

5 mL gold top SST tube 2 mL blood

Storage and Transport

Specimens may be stored at 2 8C for up to 72 hours. Specimens in which testing will be delayed for longer than 72 hours should be frozen at -15 oC or colder, avoid multiple freeze thaw cycles..

Reference Values

0-30 days: 117-250 mg/dL;

30 days – 60 years: 200-360 mg/dL;

>60 years: 160-340 mg/dL

Interpretation

Transferrin typically displays an inverse relationship to iron. Therefore, transferrin will be elevated in patients with iron deficiency anemia. Other causes of increased serum transferrin include oral contraceptives, late pregnancy, viral hepatitis.

Transferrin will be decreased in the following conditions: chronic infections, malignancy, iron poisoning, hemolytic anemia (sometimes normal), hemochromatosis (sometimes normal), nephrosis, kwashiorkor, thalassemia.

Causes for Rejection

Lack of appropriate labeling. Gross lipemia.

Turn Around Time

12 hours from time of testing

CPT / HCPCS Code

84466

Performing Lab

Core Laboratory AD3301, 721-2120

Test Consists

The quantitation of serum Transferrin levels