Feb 5, 2018




Clinical Hub,Tools & Resources,UWHC Lab Test Directory,Chemistry


Iron (FE) Chemistry Lab Test

Name: Iron

Test Name: Iron

Health Link Test Code: FE

LIS Test Code: FESR

CPT Code(s): 83540

Included In: Iron/ TIBC with Saturation

Methodology: Ferene

Days Performed: Daily, 24 hours.

In-Lab Turnaround Time: 4 hours.

Stat In-Lab Turnaround Time: 1 hour.

Specimen: Blood

Collection Container: Green cap with yellow ring (PST)

Also Acceptable: Green top, Red cap with yellow ring (SST), Red top

Collection Volume: 1 mL

Pediatric Collection Volume: 0.5 mL

Stability Ambient:

7 days

Stability Refridgerated:

3 weeks

Stability Frozen:

1 year

Sample Analyzed: Serum or plasma

Testing Volume: 0.5 mL

Pediatric Testing Volume: 0.2 mL

Specimen Processing:

Centrifuge. If a complete barrier has not formed, transfer cell-free serum/plasma to plastic vial. Refrigerate.

Specimen Transport:

Transport specimen to the laboratory. Transport with coolant pack if coming from clinic location.

Unacceptable Criteria:

Grossly hemolyzed specimens are not acceptable.


 Age  ug/dL
 0-30 days  100-250
 31 days - 2 years  40-100
 3-17 years  50-120
 18 years and up  50-175


Interpretation Type: Reference Interval

Additional Information:

Measurements of iron may be inaccurate if performed within 14 days of IV iron dextran administration.