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 Set Up
Daily, 24 hrs
Analytic Time

2 hours

Soft Order Code
TSF
MiChart Code
Transferrin
Synonyms
    Laboratory
    Chemical Pathology
    Section
    Automation
    Specimen Requirements
    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.

    Alternate Specimen
    Red top or Green top (heparin).
    Normal Volume
    0.5 ml serum
    Minimum Volume
    0.25 ml serum
    Billing
    CPT Code
    84466
    Fee Code
    21985
    LOINC
    3034-6
    NY State Approved
    No