Test Code BILTDI 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. 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.
Reference Values
0.0-0.2 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
Jendrassik-Grof End point with Sample Blank
Test Classification and CPT Coding
82248, 82247
Report Available
STAT within 1 hour of receipt
Routine within 2 hours of receipt