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UW Health SMPH
American Family Children's Hospital

UW Hospital and Clinics Lab Test Directory

Test Name: Bilirubin, Total

Test Code(s): TBIL

CPT Code(s): 82247

Test Description: Included In: Comprehensive Metabolic Panel

Methodology: Jendrassik-Graf

Days Performed: Daily, 24 hours.

Turnaround Time: Stat: 1 hour.
Routine: 4 hours.


Specimen Requirements

Specimen: Blood

Collection Container: Preferred: Green cap with yellow ring (PST)
Also Acceptable: Green top, Red cap with yellow ring (SST), Red top

Collection Volume: Preferred: 1 mL
Pediatrics: 0.4 mL

Sample Analyzed: Plasma or serum

Volume Required: Preferred: 0.5 mL
Pediatrics: 0.2 mL

Specimen Processing: Centrifuge.  If a complete barrier has not formed, transfer cell-free plasma/ serum to plastic vial.  Protect specimen from light.  Refrigerate.

Specimen Transport: Transport specimen to the laboratory. Transport with coolant pack if coming from outreach location.  Protect specimen from light by placing in brown paper bag.

Stability: Refrigerated: 5 days- must be protected from light
Frozen: 6 months- must be protected from light


Interpretation

Reference Interval:
 Age:  mg/dL
 0 days - 2 days  0.0-12.0
 3 days - 6 days  0.0-15.0
 7 days - 30 days  0.0-10.0
 31 days and up  0.0-1.4
   

Note:  Reference Intervals for neonates reflect intervention levels.

Critical Calls: View

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