Test Code LAB829 Iron and TIBC (Includes Transferrin)
Additional Codes
CPT Code: 83550
Methodology
Includes iron, TIBC, percent saturation and transferrin
Performing Laboratory
TidalHealth Peninsula Regional - Core Laboratory: Chemistry
Specimen Requirements
Submit only 1 of the following specimens:
Plasma
Draw blood in a green-top (lithium heparin) tube. (Hemolyzed specimen is not acceptable.) Spin down and send 2 mL of lithium heparin plasma.
Note: 1. Indicate plasma.
2. Label specimen appropriately (plasma).
3. It is not recommended to do iron testing on day of dialysis.
4. If a transfusion is planned, specimen for iron should be collected before transfusion, or several days afterwards.
Serum
Draw blood in a gold-top serum gel tube. (Hemolyzed specimen is not acceptable.) Spin down and send 2 mL of serum.
Note: 1. Indicate serum.
2. Label specimen appropriately (serum).
3. It is not recommended to do iron testing on day of dialysis.
4. If a transfusion is planned, specimen for iron should be collected before transfusion, or several days afterwards.
Reference Values
IRON
Males: 45-182 mcg/dL
Females: 28-170 mcg/dL
TIBC
Males: 252-461 mcg/dL
Females: 269-395 mcg/dL
PERCENT SATURATION
15-45%
Transferrin
Males: ≥ 3 months: 180-329 mg/dL
Females: ≥ 3 months: 192-282 mg/dL
Note: Elevated levels of ascorbic acid may interfere.