Update Type: Reference range changed
Test Updated: 03/04/2026
Test Overview
Test Methodology

Chemiluminescent Immunoassay

Test Usage

Iron deficiency anemia

Test Limitations

Specimen may be stored at room temperature up to 8 hours.

Test Details
Days Set Up
Daily, 24 hours
Analytic Time

4 hours

Soft Order Code
FRTN
MiChart Code
Ferritin
Synonyms
    Laboratory
    Chemical Pathology
    Section
    Automation
    Specimen Requirements
    Collection Instructions

    Collect specimen in an SST tube or red top. Centrifuge, aliquot serum into a plastic vial and refrigerate at 2-8C up to 48 hours or freeze at -20C for longer storage for up to 4 weeks. Do not freeze plasma samples. Freeze only once. Grossly hemolyzed samples are not acceptable for analysis.

    Alternate Specimen

    Red Top Tube; Green Top Tube (heparinized plasma); Lavender Top Tube (EDTA plasma)

    Normal Volume

    0.5 mL serum

    Minimum Volume

    0.25 mL serum

    Billing
    CPT Code
    82728
    Fee Code
    23345
    LOINC
    20567-4
    NY State Approved
    No