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Test Code Tbili Bilirubin Total, Blood

Aliases

Total Bilirubin

Patient Preparation

No special patient preparation required

Special Collection Instructions

Protect neonatal specimens from Light

Collection Method

Venous collection

Minimum Volume

  • Adults: 0.8ml
  • Pediatric: 0.5mL

Container

Lt Green / Plasma Separator / Lithium Heparin

Preferred Specimen

Light Green Top (lithium heparin) plasma

Acceptable Specimens

Serum:

  • Gold Top SST
  • Red Top

Plasma:

  • Light Geen Top (lithium heparin)

 

Reference or Target Ranges

0 – 24 hours < 8.0 mg/dL
24 – 72 hours < 12.0  mg/dL
72 – 120  hours < 16.0 mg/dL
> 120 hours 0.3-1.2 mg/dL
   

Reportable Units

mg/dL

Critical Value

0 – 24 hours > 11.0 mg/dL
24 – 72 hours >14.0 mg/dL
72 – 120 hours >19.0 mg/dL
>120 hours >15.0 mg/dL

Reasons for Rejection

 

Hemolysis Threshold 500 mg/dL
Icterus Threshold N/A
Lipemia Threshold 700 mg/dL
Other QNS, contaminated, improperly Labeled, improper specimen type, not protected from light

Specimen Stability

 

Ambient 1 day
Refrigerated (4°C to 8°C) 7 days
Frozen(-40°C to 0°C) 6 months

Performance Information

 

Days and Time Performed 24/7
Expected Turn Around Time Stat: 1 hour
Routine: 4 hours
Stat Availability Yes
Performing Bench UH Chemistry
Methodology/Method Description Siemens Atellica – Colorimetric 

Special Handling

Protect from light

Additional Information/Important Notes

Total bilirubin is a sum of the direct (conjugated) and indirect (unconjugated) values.

CPT Codes

82247