Laboratory Services

Bilirubin, Fractionated

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Updated Test Information:

Test Description
Bilirubin, Fractionated
Synonym(s)
Bilirubin, Total, Conjugated, and Unconjugated
Test ID
BILIFR
Performing Lab
Incyte Diagnostics
Specimen Type
Serum
Specimen Requirements
SST
Alternate Specimen Type
Red, Li heparin plasma
Minimum Sample Volume
1 mL
Pediatric Min. Volume (if applicable)
500 uL
Additional Processing Details
Separate serum or plasma from cells within 45 minutes of collection. If a red-top tube is used, transfer separated serum to a plastic transport tube.
Stability
1 day at 20-25˚C
7 days at 2-8 ˚C
6 months at -20 ˚C
Unacceptable Specimen Conditions
Hemolyzed or lipemic specimens
Methodology
Colorimetric
Estimated TAT
0-2 days
Testing Schedule
Monday - Saturday
Test Includes
Total Bilirubin, Direct Bilirubin, and Indirect Bilirubin (Calculated)
CPT Code(s)
82247
82248
Reference Range
Total Bilirubin:
0 days - 1 day: < 8.0 mg/dL
1 day - 2 days: <13.0 mg/dL
2 days - 14 days: <15.0 mg/dL
15 days - 18 years: ≤1.0 mg/dL
Adult: ≤ 1.2 mg/dL

Indirect Bilirubin:
0.2-0.8 mg/dL

Direct Bilirubin:
0.0-0.3 mg/dL
LOINC Code(s)
34543-9