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Test Code TBIL Bilirubin, Total

Additional Codes

 Test ID
TBIL

EPIC Test ID
LAB50

Performing Laboratory

St. Luke's Hospital Cedar Rapids

Specimen Requirements

Container/Tube:

Preferred: Green-top (lithium heparin) tube

Acceptable: Gold-top serum gel tube, plain red-top tube, or lavender-top (EDTA) tube

Specimen Volume: 0.1 mL of plasma or serum

Stability: Specimens can be stored at 2 – 8°C for 7 days or 1 days at 20 - 25°C. For longer storage, samples may be frozen at -20°C or colder for up to 6 months.

Collection Instructions: Bilirubin is photosensitive. Specimen must be protected from light.  Primary tubes acceptable if the test label covers the majority of the tube for transport.  If aliquoted, place in amber vial or protect from light.

Note: Label specimen appropriately (plasma)

Reference Values

0-1 day: 2.2-5.0 mg/dL
2-3 days: 5.9-6.8 mg/dL

3-7 days: 4.0-5.9 mg/dL
7-31 days: 0.4-1.3 mg/dL
≥1 month: <1.3 mg/dL

 

Critical value

0-31 days: >16.0 mg/dL

Day(s) Test Set Up

Monday through Sunday

Useful For

Measurements of bilirubin are used in the diagnosis of liver disease, in the detection of hemolytic anemia, and to evaluate degrees of jaundice. 

Methodology

Colorimetric diazo method

Test Classification and CPT Coding

82247

Report Available

STAT within 1 hour upon receipt

ROUTINE within 2 hours upon receipt