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HelpTest Code DBIL Bilirubin, Direct LAB52
Test Method
Direct: Timed Endpoint, Diazo; Beckman DXC600
Specimen Requirement
0.5 mL plasma or serum is required.
Additional Specimen Collection Information
Collect blood in a lithium heparin, green-top or red-top
tube.
PST and SST (gel tubes) are acceptable. Serum or plasma should
be
separated from contact with the cells within 2 hours of
collection.
Specimens not centrifuged within 4 hours of collection may be
rejected. Refrigerate the specimen if unable to assay within 8
hours of collection. Hemolyzed specimens are not acceptable.
Samples with >3+ lipemia must be cleared prior to analysis.
Protect from light.
Reference Values
≥ 5 Days of Age: Direct: 0.0-0.2 mg/dL
Performance
Testing is performed Monday through Sunday.
Routine orders: Typically completed within 4 hours after the
specimen arrives at the testing site.
Expedite orders: Typically completed within 1 hour after the
specimen arrives at the testing site.
STAT orders: Typically completed within 30 minutes
after
the specimen arrives at the testing site.
Useful For
Evaluation of jaundice and liver functions.
LOINC Code Information
1968-7 Bilirubin.Direct [MassVvolume] In Serum Or Plasma
CPT Code Information
82248 Chemistry: Bilirubin; direct