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
Specimen Type
Serum
Alternate Specimen Type
Red, Li heparin plasma
Specimen Requirements
SST
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
Minimum Sample Volume
1 mL
Pediatric Min. Volume (if applicable)
500 uL
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
Performing Lab
Incyte Diagnostics
LOINC Code(s)
34543-9