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Laboratory Test Directory

Iron

Components

Name Method Department Units
Iron Colorimetric, reflectometry
Core Lab, Chemistry, Routine ug/dL

Specimen Requirements

Serum Spun

Container Type Container Size Specimen Volume
Preferred

Gold tube, (SST) with Gel

3.5 mL 3.5 mL
Alternate

Red tube, (no anticoagulant), No Gel

Micro sample tube 1 mL
Alternate

Red tube, (no anticoagulant), No Gel

3 mL 3 mL
Stability

Room temperature - 4 day(s)
Refrigerated - 7 day(s)
Frozen - 3 month(s)

Specimen Preparation

  • Centrifuge within 4 hours, separate supernatant and refrigerate

Reasons for Rejection

  • Not received within specified time frame
  • Hemolyzed specimen
  • Wrong collection tube
  • Wrong temperature
  • Not removed from cells within time frame

Comments

Hemolysis results in falsely elevated iron result. Make sure puncture site is very clean to prevent contamination of specimen with iron.

CPT Code

  • 83540