Test Overview

Test Methodology

Immunoturbidimetric

Test Usage

Differentiates iron deficiency anemia (increased transferrin) from hypochromic, microcytic anemias (normal to low transferrin). Transferrin is decreased in nephrotic syndrome, active inflammatory conditions, protein-losing conditions, and severe liver disease and increased in estrogen therapy.

Reference Range*

168-348 mg/dl

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details

Days Test Performed

Daily, 24 hrs

Analytic Time

2 hours

Soft Order Code

TSF

MiChart Code

Transferrin

Synonyms

Laboratory

Chemical Pathology

Looking to Order a Test?

We’ve provided helpful links to make ordering easy.

Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

Visit our provider FAQ and learn about common questions to ordering tests.

Specimen Requirements

Offsite Collection Instructions

Collect specimen in an SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate up to 1 week or freeze for longer storage.

Container

Normal Volume

0.5 ml serum

Minimum Volume

0.25 ml serum

Billing Information

Fee Codes

CPT Code

84466

LOINC

3034-6

Have More Billing Questions?

Explore our helpful billing resources:

Billing Resources

Billing FAQ