ARUP's Laboratory Test Directory

Iron & Iron Binding Capacity : 0020420

Mnemonic: FEIBC

Methodology: Spectrophotometry/Calculation
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect:  One 4 mL serum separator tube.  Also acceptable:  Heparinized plasma.

Transport:  1 mL serum at 2-8°C. (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube.

Pediatric Collection/Transport:  0.25 mL serum at 2-8°C.

Remarks:  Avoid hemolysis. Allow serum to clot completely at room temperature.  Separate serum from cells ASAP.

Unacceptable Conditions:  Grossly hemolyzed specimens.  EDTA plasma.

Stability:  After separation from cells: Ambient: 4 days; Refrigerated: 1 week; Frozen: 3 months
Reference Interval:
 
Test Number Components Reference Interval
 Iron, Plasma or Serum Newborn 0-6 weeks: 100-250 µg/dL
Infant 7 weeks - 11 months: 40-100 µg/dL
Child 1 year - 10 years: 50-120 µg/dL
Male 11 years and older: 50-170 µg/dL
Female 11 years and older: 30-160 µg/dL
 Transferrin Saturation 20-50%
 Total Iron Binding CapacityUIBC: Not reported on patient reports:
0-2 months: 59-175 µg/dL
3 months-17 years: 250-400 µg/dL
18 years and older: 240-450 µg/dL

CPT Code(s): 83540 Iron, total; 83550 Iron, binding capacity
 
 

 

 

 
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