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HelpTest Code LAB94 Iron, Total
Useful For
Detecting increased or decreased iron values:
- Iron values are increased in acute hepatitis; acute iron poisoning (children); acute leukemia; aplastic, hemolytic, and pernicious anemias; excessive iron therapy; hemochromatosis; lead poisoning; nephritis; repeated transfusions; thalassemia; and vitamin B6 deficiency.
- Iron values are decreased in iron deficiency anemia, kwashiorkor disease, and remission of pre-operative state.
Methodology
Colorimetric FerroZine
Performing Laboratory
Bozeman Health Laboratory Services
Specimen Requirements
Specimen Type: Plasma or serum
Container/Tube: Light-green top (lithium heparin gel), red top, or gold top
Specimen Volume: 1 mL
Specimen Minimum Volume: 0.5 mL
Collection Instructions: Allow serum samples to clot. Separate serum or plasma from clot within 1 hour.
Specimen Rejection: Hemolyzed samples may be rejected.
Specimen Transport Temperature
Ambient/Refrigerated
Specimen Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Plasma or Serum | Ambient | 7 days |
| Refrigerated | 3 weeks | |
| Frozen | 1 year |
Reference Values
Male: 44-179 ug/dL
Female: 31-172 µg/dL
Additional Information
The concentration of iron in serum/plasma is dependent on ingestion of iron and is subject to circadian variations.
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
83540