Iron and Total Iron Binding Capacity (TIBC)
Test Code: 001321
Performing Lab: LabCorp
CPT Code: 83550 001 83540 001
Synonym
Fe and TIBC; Iron Indices; Iron Profile; TIBC; TIBC and Iron; Total Iron Binding Capacity; Transferrin Saturation; UIBC; Unsaturated Iron Binding Capacity
Specimen Type
Serum (preferred) or plasma (Li heparin only). EDTA plasma causes decreased results.
Specimen Container
Gel-barrier tube, transport tube, or green-top (heparin) tube; do NOT use EDTA or oxalate anticoagulants.
Volume
2 mL
Minimum Volume
0.7 mL (NOTE:This volume does NOT allow for repeat testing).
Specimen Handling
Separate serum or plasma from cells within 45 minutes of collection.
Patient Prep
Have sample drawn before patient is given therapeutic iron or blood transfusion. Iron determinations on patients who have had blood transfusions should be delayed for at least four days.
Unacceptable Conditions
Hemolysis; specimen clotted; improper labeling; EDTA or oxalate plasma specimens.
Temperature
Maintain specimen at room temperature.[1]
Methodology
Colorimetric
Stability
Room Temperature: 14 days
Refrigerated: 14 days
Frozen: 14 days
Refrigerated: 14 days
Frozen: 14 days
| Result Code | Result Name | LOINC |
|---|---|---|
| 001347 | Iron Bind.Cap.(TIBC) | 2500-7 |
| 001348 | UIBC | 2501-5 |
| 001339 | Iron | 2498-4 |
| 011362 | Iron Saturation | 2502-3 |
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