Bilirubin Direct
Test Code
BILID
Description
Collect
Plain red top or SST tube.
Specimen Preparation
Onsite [NJH]: Transport to lab within 1 hour.
Offsite: Separate serum from cells within 2 hours by centrifuge and aliquot into a labeled polypropylene or similar plastic tube.
Preferred volume: 1 mL serum
Pediatric Collection
Minimum volume: 0.1 mL serum
Unacceptable Conditions
Direct exposure to sunlight
Storage Transport Temp
Offsite: Send frozen serum Priority Overnight via FedEx and in a well insulated container on dry ice.
Stability
Stability after cell separation:
8 hours at RT (15-25°C)
2 days at 2-8°C
3 months frozen at ≥ -20°C
Performed
Monday - Friday
Methodology
Diazo
Reported
4 hour routine, 1 hour STAT
Department
Core LabSynonyms
Diazo (Direct Bilirubin, Serum);BILID
Reference Interval
| Direct Bilirubin, Serum |
Human |
|
|
Male |
Female |
|
|
mg/dL |
||
|
Newborn - 13 days |
0.0-0.9 |
0.0-0.9 |
|
14+ days |
0.0-0.2 |
0.0-0.2 |
CPT Code
82248