| 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 # |
Bilirubin, Direct : 285
Test CodeBILDAU or 285
Alias/See Also
Conjugated Bilirubin
CPT Codes
82248
Preferred Specimen
1 mL serum - protected from light
Minimum Volume
0.5 mL
Other Acceptable Specimens
Plasma collected in: Lithium heparin (green-top) tube or sodium heparin (green-top) tube • Serum transferred to an amber or non-light protected transport vial
Transport Container
Spun serum separator tube (SST)
Foil-wrapped spun SST
Amber plastic screw-cap vial
Foil-wrapped plastic screw-cap vial
Transport vial
Foil-wrapped spun SST
Amber plastic screw-cap vial
Foil-wrapped plastic screw-cap vial
Transport vial
Transport Temperature
Room temperature
Specimen Stability
If protected from light:
Room temperature: 24 hours
Refrigerated: 72 hours
Frozen: 90 days
Room temperature: 24 hours
Refrigerated: 72 hours
Frozen: 90 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis, Anticoagulants other than heparin
Methodology
Spectrophotometry
Setup Schedule
Sunday - Saturday
Report Available
1 day
Reference Range
≤0.2 mg/dL
Clinical Significance
Measurement of the levels of bilirubin is used in the diagnosis and treatment of liver, hemolytic, hematologic, and metabolic disorders, including hepatitis and gall bladder obstruction. The assessment of direct bilirubin is helpful in the differentiation of hepatic disorders. The increase in total bilirubin associated with obstructive jaundice is primarily due to the direct (conjugated) fraction. Both direct and indirect bilirubin are increased in the serum with hepatitis.
Performing Laboratory
med fusion
