Bilirubin, Direct
Test Code: 285
CPT Code(s): 82248
Methodology: Spectrophotometry (SP)
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.
Alternative Name(s): Conjugated Bilirubin
Supply: #T157 - Red/Yellow SST 8mL
Preferred Specimen: Serum *Protect from light
Preferred Volume: 1 mL
Transport Container: Serum Separator Tube (SST) spun and foil-wrapped or spun in amber plastic screw-cap vial (Supply #ST05), or spun in foil-wrapped screw-cap transport vial (Supply #ST01)
Transport Temperature: Room Temperature
Special Transport Instructions: Protect from light by wrapping a spun SST in foil or transferring serum to an amber transport vial
Specimen Stability: Room Temperature: 24 hours
Rejection Criteria:
- Hemolysis
- Anticoagulants other than heparin
For additional supply or collection device information, please contact DLO's Customer Service at (800) 891-2917, option 2.
The CPT codes provided 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.