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Test Code FERR Ferritin, LAB68

Performing Laboratory

St. Luke's Hospital Cedar Rapids

Specimen Requirements

Container/Tube:

Preferred: Green-top (lithium heparin) tube

Acceptable: Gold-top serum gel tube, plain red-top tube, or  lavender-top (EDTA) tube

                      -Hemolyzed specimen is not acceptable.
Minimum Specimen Volume: 6 µL plus a dead volume

Stability: Serum or plasma on the analyzer should be analyzed within 2 hours.  Store specimens at 2 – 8 °C and analyzed within 7 days. Store at 20‑25 °C for 2 days. For longer storage, samples may be frozen at -20 °C for up to 12 months. The sample may be frozen twice.

Note: This assay is affected by biotin interference.

 

Reference Values

Males: 30-400ng/mL

Females: 13-150 ng/mL

Day(s) Test Set Up

Monday through Sunday

Useful For

Serum ferritin levels may serve as a tool to monitor the effects of iron therapy, but results should be interpreted with caution, as ferritin levels in these cases may not always reflect the true state of iron stores.

Methodology

Chemiluminescence Assay

Test Classification and CPT Coding

82728

Report Available

STAT within 1 hour of receipt

ROUTINE within 2 hours of receipt