Iron (Fe), Plasma or Serum

Test Code

FE Serum/FE - NOCO

CPT Codes
83540

Preferred Specimen

1 mL Plasma Green top (Lithium Heparin)

Minimum Volume

0.5 mL
Note: For neonate requirements see Neonate Minimum Blood Volumes

Other Acceptable Specimens

1 mL serum from SST or Red Top

Specimen Stability

Specimen Type	Temperature	Time
Plasma Li Hep	Refrigerated	7 days
Serum SST	Refrigerated	7 days
Red Top – Separated*	Refrigerated	7 days

*Centrifuge and aliquot into a plastic vial.

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Mild hemolysis

Methodology
Spectrophotometric Bichromatic Endpoint

Setup Schedule

Monday through Sunday; Continuously

Report Available

Same day

Reference Range

Age	Male	Female
0-6 years	22-135 ug/dL	22-136 ug/dL
6-15 years	28-136 ug/dL	28-136 ug/dL
15-20 years	34-162 ug/dL	34-162 ug/dL
20-150 years	40-190 ug/dL	35-175 ug/dL

Performing Laboratory
McKee Medical Center Laboratory
North Colorado Medical Center Laboratory

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.