ARUP's Laboratory Test Directory

Iron & Iron Binding Capacity : 0020420

Mnemonic: FEIBC

Ordering Recommendation: Aids in the diagnosis of iron deficiency, anemia, and iron overload.
Methodology: Quantitative Spectrophotometry
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect: Serum separator tube.

Specimen Preparation: Allow specimen to clot completely at room temperature. Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL) Avoid hemolysis. Also acceptable: Heparinized plasma.

Storage/Transport Temperature: Refrigerated.

Unacceptable Conditions: Grossly hemolyzed specimens. EDTA plasma.

Stability (collection to initiation of testing): 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; 83550
Cross References: Fe & TIBC (Iron & Iron Binding Capacity), Iron Indices (Iron & Iron Binding Capacity), Transferrin Saturation Percent (Iron & Iron Binding Capacity)