UW Hospital and Clinics Lab Test Directory
| Test Name: |
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Iron/ TIBC with Saturation
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| Test Code(s): |
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IRON / FEPSAT
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| CPT Code(s): |
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83540, 83550
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| Test Description: |
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Test Component: Iron, total iron binding capacity and saturation.
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| Methodology: |
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Ferene
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| Request Form: |
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UWHC Laboratory Request Form (UWH 1289220, 4004202); Write in test if not on form.
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| Days Performed: |
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Daily, 24 hours.
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| Turnaround Time: |
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Stat: 1 hour.
Routine: 4 hours.
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Specimen Requirements
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| Specimen: |
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Blood
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| Collection Container: |
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Preferred: Red cap with yellow ring (SST)
Also Acceptable:
Green cap with yellow ring (PST),
Green top,
Red top
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| Collection Volume: |
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Preferred: 1 mL
Pediatrics: 0.5 mL
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| Sample Analyzed: |
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Serum or plasma
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| Volume Required: |
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Preferred: 0.5 mL
Pediatrics: 0.2 mL
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| Specimen Processing: |
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Centrifuge. If a complete barrier has not formed, transfer cell-free serum/plasma to plastic vial. Refrigerate.
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| Specimen Transport: |
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Transport specimen to UWHC Core Laboratory (B4/220). Transport with coolant pack if coming from outreach location.
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| Unacceptable Criteria: |
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Grossly hemolyzed specimens are not acceptable.
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| Stability: |
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Refrigerated: 7 days
Frozen: 6 months- must be stored in iron-free container
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Interpretation
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Reference Interval:
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| Iron: |
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| Age |
mcg/dL |
| 0-30 days |
100-250 |
| 31 days - 2 years |
40-100 |
| 3-17 years |
50-120 |
| 18 years and up |
50-160 |
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| TIBC: |
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| 0 days - 2 years |
100-400 |
| 3 years and up |
250-450 |
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| Saturation: |
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| 3 years and up: |
16-50% |
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| Additional Information: |
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Measurements of Iron and Total Iron Binding Capacity may be inaccurate if performed within 14 days of IV iron dextran administration.
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Transferrin Saturation TIBC
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