| Test Name: |
|
Bilirubin, Direct
|
|
|
|
|
|
|
| Test Code(s): |
|
DBIL
|
|
|
|
|
|
|
| CPT Code(s): |
|
82248
|
|
|
|
|
|
|
| Methodology: |
|
Spectrophotometry
|
|
|
|
|
|
|
| Days Performed: |
|
Daily, 24 hours.
|
|
|
|
|
|
|
| Turnaround Time: |
|
Stat: 1 hour.
Routine: 4 hours.
|
|
|
|
Specimen Requirements
|
|
|
|
| Specimen: |
|
Blood
|
|
|
|
|
|
|
| Collection Container: |
|
Preferred: Green cap with yellow ring (PST)
Also Acceptable:
Green top,
Red cap with yellow ring (SST),
Red top
|
|
|
|
|
|
|
| Collection Volume: |
|
Preferred: 1 mL
Pediatrics: 0.4 mL
|
|
|
|
|
|
|
| Sample Analyzed: |
|
Plasma or serum
|
|
|
|
|
|
|
| Volume Required: |
|
Preferred: 0.5 mL
Pediatrics: 0.2 mL
|
|
|
|
|
|
|
| Specimen Processing: |
|
Centrifuge. If a complete barrier has not formed, transfer cell-free plasma/serum to plastic vial. Protect from light. Refrigerate.
|
|
|
|
|
|
|
| Specimen Transport: |
|
Transport specimen to the laboratory. Transport with coolant pack if coming from outreach location. Protect specimen from light by placing in brown paper bag.
|
|
|
|
|
|
|
| Unacceptable Criteria: |
|
Moderately hemolyzed specimens are not acceptable.
|
|
|
|
|
|
|
| Stability: |
|
Refrigerated: 5 days- must be protected from light
Frozen: 3 months - must be protected from light
|
|
|
|
Interpretation
|
|
|
|
|
Reference Interval:
|
|
| Age: |
mg/dL |
| 0 days - 5 days: |
0.0-0.6 |
| 6 days and up: |
0.0-0.3 |
|
|
|
|
|
|
|
