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Bilirubin, Total
Test CodeBilirubin, Total
Quest Code
287
CPT Codes
82247
Preferred Specimen
1 mL serum collected in a serum separator tube (SST) - protected from light
Minimum Volume
0.5 mL
Other Acceptable Specimens
Plasma collected in: sodium heparin (green-top) tube, or lithium heparin (green-top) tube - protected from light
Instructions
Protect from light by wrapping a spun SST in foil or transferring serum or plasma to an amber transport vial. Avoid hemolysis.
Transport Temperature
Frozen
Specimen Stability
Room temperature: 72 hours
Refrigerated: 72 hours
Frozen: 90 days
Refrigerated: 72 hours
Frozen: 90 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis • Anticoagulants other than heparin
Methodology
Spectrophotometry (SP)
Setup Schedule
Set up: Daily; Report available: Next day
Reference Range
≤1 Day | ≤5.1 | mg/dL |
2 Days | ≤7.2 | mg/dL |
3-5 Days | ≤10.3 | mg/dL |
6-7 Days | ≤8.4 | mg/dL |
8-9 Days | ≤6.5 | mg/dL |
10-11 Days | ≤4.6 | mg/dL |
12-13 Days | ≤2.7 | mg/dL |
14 Days-9 Years | 0.2-0.8 | mg/dL |
10-19 Years | 0.2-1.1 | mg/dL |
≥20 Years | 0.2-1.2 | mg/dL |
Clinical Significance
Measurement of the levels of bilirubin is used in the diagnosis and treatment of liver, hemolytic, hematologic, and metabolic disorders, including hepatitis and gallbladder obstructive disease.
Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153
Last Updated: August 14, 2019