Laboratory Test Information Guide

Details for Bilirubin-Total

Test Name: Bilirubin-Total
Alternate Name(s):  
Laboratory: Core UH & VH
Specimen Type: 4.5 mL Green top Vacutainer

Pediatric:
0-2 yrs: Green top Microtainer (BD 365985)
Collection Information: For pediatric samples, a minimum of 0.2 mL is required.

Turn off phototherapy lights prior to drawing sample.
Requisition: GENERAL LABORATORY REQUISITION
Test Schedule: As required
Turnaround time from when specimen
is received in testing laboratory:
 
Routine
4 hours
Stat
1 hour
 
Reference Range: 
< 1 day: 24.0-149.0 µmol/L
> 1 day-2 days: 58.0-197.0 µmol/L
> 2 days-5 days: 26.0-205.0 µmol/L
> 5 days: 3.4-17.1 µmol/L
Effective Date: 2008-11-15
Revised Date: 2014-02-25
Critical Value: INFANTS ONLY- Total Biliribun: >250 µmol/L
Interpretive Comments: Urine bilirubin is positive when serum direct bilirubin is elevated.

Please note that in rare cases of gammopathy, in particular type IgM (Waldenstrom's macroglobulinemia) may show a significant positive bias for total bilirubin. It is recommended that bilirubin results should always be assessed in conjunction with the patient's medical history, clinical examination and other findings.
Special Processing:  
Comments: Hemolyzed and lipemic plasma may interfere with this test methodology.
Method of Analysis: Timed endpoint Diazo method
Critical Information Required:  
Storage & Shipment:  
System Codes: 
Cerner
BILT
 
Referred To:  

Questions? Comments? Contact Laura Gopaul