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Test 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


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