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Test Code 113 Bilirubin, Direct

Additional Codes


PowerChart: Bilirubin Direct

MA Cerner: Bilirubin Direct.

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 >2+ lipemia must be cleared prior to analysis. Protect from light.

Useful For

Evaluation of jaundice and liver functions.



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.

CPT Code Information

82248 Chemistry: Bilirubin; direct

LOINC Code Information

1968-7 Bilirubin.Direct [Mass/volume] In Serum Or Plasma

Test Method

MercyOne: Direct: Timed Endpoint, Diazo; Beckman DXC880i

MA: Direct: Colorimetric Diazo Method; Roche Cobas 6000

Reference Values

≥ 5 Days of Age: Direct: 0.0-0.2 mg/dL