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Bilirubin, Fractionated
Test Code7286
CPT Codes
82247, 82248
Includes
Bilirubin, Total
Bilirubin, Direct
Bilirubin, Indirect (calculated)
Bilirubin, Direct
Bilirubin, Indirect (calculated)
Preferred Specimen
1 mL serum collected in a serum separator tube (red-top) SST
Minimum Volume
0.5 mL
Other Acceptable Specimens
Plasma collected in a sodium heparin (green-top) or lithium heparin (green-top) tube
Instructions
Protect from light. Please place in an amber vial or wrap plastic vial in foil. Avoid hemolysis.
Transport Temperature
Frozen
Specimen Stability
Room temperature: 24 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
Set up: Daily; Report available: Next day
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 gall bladder obstructive disease.
