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Total Bilirubin
Test CodeLAB50
CPT Codes
82247
Instructions
"Note: Bilirubin is photosensitive. Protect samples from light.
Routine venipuncture. Collect one 4.5 light green (heparin) tube or one 5ml Red/gold top serum separator tube."
Routine venipuncture. Collect one 4.5 light green (heparin) tube or one 5ml Red/gold top serum separator tube."
Specimen Stability
Refrigerate, stable 48 hours; stable 8 hours at room temperature; stable >48 hours if frozen. Reminder: Bilirubin is photosensitive. Protect samples from light during transport.
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Insufficient quantity; gross hemolysis; gross lipemia (not corrected by airfuge); failure to follow stability requirements
Methodology
Diazonium salt -Dyphylline
Setup Schedule
Daily/STAT
Report Available
"Within 24 hours
STAT: within 1 hour"
STAT: within 1 hour"
Reference Range
"Pediatrics:
• 1 day: 3.6-6.8 mg/dL
• 2 days: 5.2-7.4 mg/dL
• 3-4 days: 6.7-12.9 mg/dL
• 5-7 days: 0.2-12.9 mg/dL
Adults: 0.2-1.3 mg/dL"
• 1 day: 3.6-6.8 mg/dL
• 2 days: 5.2-7.4 mg/dL
• 3-4 days: 6.7-12.9 mg/dL
• 5-7 days: 0.2-12.9 mg/dL
Adults: 0.2-1.3 mg/dL"
Clinical Significance
Bilirubin measurements are used in the diagnosis and treatment of liver, hemolytic, hematological, and metabolic disorders, including hepatitis and gallbladder block.
