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Bilirubin, Direct, Serum or Plasma
Test Code2052
Alias/See Also
Bilirubin, Conjugated
Preferred Specimen
One 4 mL plasma separator tube or serum separator tube.
Minimum Volume
1 mL serum or plasma at 2-8°C. (Min: 0.2 mL) Submit specimen in an PMC Amber Transport Tube.
Transport Temperature
1 mL serum or plasma at 2-8°C. (Min: 0.2 mL) Submit specimen in an PMC Amber Transport Tube.
Specimen Stability
After separation from cells and if protected from light: Ambient: 4 hours; Refrigerated: 1 week; Frozen: 6 months
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolyzed specimens.
Methodology
Spectrophotometry
Setup Schedule
Sun-Sat
Report Available
Within 24 hours
Limitations
Allow specimen to clot completely at room temperature. Separate serum or plasma from cells ASAP. Protect from light during collection, shipment and storage.