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HelpTest Code LAB52 Bilirubin, Direct (Conjugated)
Useful For
- Detecting hemolytic anemia
- Diagnosing liver disease
- Evaluating degrees of jaundice
Methodology
Photometric, Diazotized Sulfanilic Acid (Jendrassik-Grof)
Performing Laboratory
Bozeman Health Laboratory Services
Specimen Requirements
Specimen Type: Plasma or serum
Container/Tube: Light-green top (lithium heparin gel), red top, or gold top
Specimen Volume: 1 mL
Specimen Minimum Volume: 0.5 mL
Specimen Pediatric Volume: 1 amber Microtainer (0.5 mL)
Collection Instructions: Draw sample and spin down within 2 hours of collection. Protect specimen from light.
Specimen Rejection:
1. Hemolyzed samples will be rejected.
Specimen Transport Temperature
Ambient/Refrigerated
Specimen Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Plasma or Serum | Ambient | 2 days |
| Refrigerated | 7 days | |
| Frozen | 6 months |
Reference Values
0.0-0.3 mg/dL
Critical Value (automatic call-back): >20.0 mg/dL
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
82248