Test Overview
Test Methodology
Colorimetric (Vanadate Oxidation)
Test Usage
Liver function test useful in the diagnosis of jaundice due to liver disease, hemolytic anemia, and ABO/Rh incompatability.
Reference Range *
DIRECT BILIRUBIN: < 0.3 mg/dL. TOTAL BILIRUBIN: 1-11 years: 0.2 - 1.0 mg/dL; 12-150 years: 0.2 - 1.2 mg/dL; 0-1 month: Critical Value >=15 mg/dL.
Test Details
Days Set Up
Daily, 24 hours
Analytic Time
4 hours
Soft Order Code
BILFR
MiChart Code
Bilirubin, Fractionated
Synonyms
- BILIFRAC
- BILIRUBIN, FRACTIONS
- TBIL
- IBIL
- DBIL
- Bilirubin, Direct
- Bilirubin, Indirect
- BILFR
Laboratory
Chemical Pathology
Section
Automation
STAT Availability
STAT requests for this test will be performed on a STAT basis (supervisory staff approval is not required).
Specimen Requirements
Collection Instructions
Collect specimen in an SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate. Protect specimen from light (place in brown plastic bag or aliquot into brown tube).
Special Handling
Protect specimen from light.
Alternate Specimen
Red top or Green top (sodium or lithium heparin) tube. [rev 11/09]
Normal Volume
0.5 mL serum
Minimum Volume
0.25 mL serum
Additional Information
Test includes direct bilirubin, total bilirubin, and indirect bilirubin (calculated).
Billing
CPT Code
82247, 82248
Fee Code
20511 TBIL, 20535 DBIL
LOINC
34543-9