Bilirubin Direct

CPT Code

82248

Specimen Type

Blood

Container Type

Serum Separator Tube (SST)/Yellow

Stability

Room Temperature, 2 days; 2-8 ° C, 7 days; -20°C, 3 months

Handling Instructions

Allow to clot for 30 mins, centrifuge within 2 hours

Clinical Notes

Direct bilirubin is the sum of the conjugated fractions. Direct bilirubin is elevated in conditions causing hepatic obstruction, hepatitis, cirrhosis, several inherited enzyme deficiencies, and inherited defects in canalicular excretion.