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Test Code BILTD Bilirubin, Total and Direct, LAB168

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: Samples can be kept at 2 – 8°C for 5 days. For longer storage, samples may be frozen

                at -20°C for up to 3 months.

Collection Instructions: Bilirubin is photosensitive. Specimen must be protected from light.

 

Reference Values

0.0-0.2 mg/dL

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.

Day(s) Test Set Up

Monday through Sunday

Methodology

Jendrassik-Grof End point with Sample Blank

Test Classification and CPT Coding

82248, 82247