Oct 16, 2017




Clinical Hub,Tools & Resources,UWHC Lab Test Directory,Chemistry

Bilirubin, Total

Bilirubin, Total (TBIL) Chemistry Lab Test

Name: Bilirubin, Total

Test Name: Bilirubin, Total

Health Link Test Code: TBIL

LIS Test Code: TBIL

CPT Code(s): 82247

Included In: Comprehensive Metabolic Panel

Methodology: Diazonium Salt

Days Performed: Daily, 24 hours.

In-Lab Turnaround Time: 4 hours.

Stat In-Lab Turnaround Time: 1 hour.

Specimen: Blood

Collection Container: Green cap with yellow ring (PST)

Also Acceptable: Green top, Red cap with yellow ring (SST), Red top

Collection Volume: 1 mL

Pediatric Collection Volume: 0.4 mL

Stability Ambient:

1 day

Stability Refridgerated:

7 days 

Stability Frozen:

6 months

Sample Analyzed: Plasma or serum

Testing Volume: 0.5 mL

Pediatric Testing Volume: 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 clinic location. Protect specimen from light by placing in brown paper bag.




<1 day 0.0-6.0
1-2 days 0.0-10.0
3-5 days 0.0-12.0
6-30 days 0.0-10.0
31 days and up 0.0-1.4

Note:  Reference Intervals for neonates reflect intervention levels.

Interpretation Type: Reference Interval

Test Limitations:

Indocyanine green interferes with this assay.

Critical Calls: yes