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Bilirubin, Total
Test CodeTBILI
CPT Codes
82247
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Other Acceptable Specimens
Serum transferred to an amber transport vial • Plasma collected in: Sodium heparin (green-top) tube or lithium heparin (green-top) tube
Instructions
Protect from light by wrapping a spun SST in foil or transferring serum or plasma to an amber transport vial. Avoid hemolysis.
Transport Container
Spun serum separator tube (SST)
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 72 hours*
Refrigerated: 72 hours*
Frozen: 90 days*
*If protected from light
Refrigerated: 72 hours*
Frozen: 90 days*
*If protected from light
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis • Anticoagulants other than heparin
Methodology
Spectrophotometry (SP)
Setup Schedule
p.m. Mon-Sat
Report Available
1 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 - Great Lakes Region |
