A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Direct bilirubin

Message
Protect from light or assay immediately. After centrifugation, if not in gel barrier tube, pour off plasma or serum into an aliquot tube.


Test Code
LAB52


Alias/See Also
Dbil, Conjugated Bilirubin


CPT Codes
82248

Preferred Specimen
Lithium Heparin (PST)


Minimum Volume
4.5 ml (600 ml min) lithium heparin (green); alternate-SST (gold) or Red (no additive)


Other Acceptable Specimens
Gold SST


Instructions
Spin PST or SST and send to lab


Transport Container
1 ml (200 ul minimum) plasma; alternate-serum


Transport Temperature
Room temp


Specimen Stability
Separated from cells: 4 hours room temp, if protected from light; 7 days refrigerated, if protected from light


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis: >10mg/dL; Lipemia: >300mg/dL


Methodology
Timed Endpoint Diazo Method

Setup Schedule
Mon-Sun


Reference Range
0.0-0.3 mg/dL


Clinical Significance
The assessment of direct bilirubin is helpful in the determination of hepatic disorders


Performing Laboratory
Piedmont Athens Regional



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.