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HelpTest Code LAB1738 Bilirubin, Conjugated
Aliases
Direct Bilirubin
BC
BILC
Special Collection Notes
Collect and send sample light protected
Specimen Type
Serum/Plasma:
Light Green Top Tube-Lithium Heparin (Preferred)
Gold Top Tube-SST
Red Top Tube-Plain
Processing Instructions
CENTRIFUGE sample per procedure.
Store and send sample refrigerated via courier.
*Send sample light protected
Specimen Volume
Preferred: 0.6 mL
Minimum: 0.3 mL
Temperature
Refrigerated
Sample Stability
Ambient: 4 hours
Refrigerated: 7 days
Frozen @-18 Celsius: 6 months
TAT
Routine: 90 minutes
STAT: 35 minutes
Method
End-Point Colorimetric (dual-wavelength), Spectrophotometric
Test Components
Conjugated Bilirubin
Reference Range
0 up to 15 Days: 0.0-0.6 mg/dL
15 Days up to 1 Month: 0.0-0.6 mg/dL
1 Month and up: 0.0-0.3 mg/dL
CPT
82248
Performing Section
Chemistry
Purpose/Principle
Quantitatively measure conjugated (direct) bilirubin in serum and plasma.