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Iron, Serum

Iron, Serum

Alternate Test Name

Iron

FE

Epic Mnemonic
Sunquest Mnemonic

LAB94
FE

Category

Chemistry

Methodology

Colorimetric

Test Performance Schedule

Sunday - Saturday

Result Availability

Within 24 hours

Specimen Required

Container

Gold top (SST) or Green top (lithium heparin) tube

Volume

Pref. Vol.: 1.0 mL serum or plasma
Min. Vol.: 0.5 mL serum or plasma

Collection Instructions

• Routine venipuncture

• Immediately after collection, gently invert tube 5-10 times

• Clot 30 minutes

• Promptly centrifuge 10 minutes

• If no gel barrier is present immediately transfer serum or plasma to a plastic tube and refrigerate

• Properly centrifuged gel barrier tube does not require transfer of serum or plasma to separate tube

Transportation Instructions

Refrigerated

Stability

• Room Temperature: 5 days
• Refrigerated: 5 days

Causes for Rejection

• Serum/plasma not separated within 1 hour
• Samples collected in EDTA or oxalate plasma

CPT Codes

83540

Effective/Revised

03/28/2017

Clinical Significance

Iron measurements are used in the diagnosis and treatment of diseases such as iron deficiency anemia, hemochromatosis (a disease associated with widespread deposit in the tissue of the two iron-containing pigments, hemosiderin and hemofuscin, and characterized by pigmentation of the skin), and chronic renal disease. Iron determinations are performed for the diagnosis and monitoring of microcytic anemia (e.g. due to iron metabolism disorders and hemoglobinopathy), macrocytic anemia (e.g. due to vitamin B12 deficiency, folic acid deficiency and drug-induced metabolic disorders of unknown origin) as well as normocytic anemias such as renal anemia (erythropoetin deficiency), hemolytic anemia, hemoglobinopathy, bone marrow disease and toxic bone marrow damage.

 

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