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Bilirubin, Cord

Test Code
CBIL


Alias/See Also
Cord Bili, Bilirubin Cord (Total)


Preferred Specimen
1.0 mL plasma (0.5 mL minimum)


Instructions
Protect from light


Transport Container
PST (light mint green top). Red top and SST also acceptable


Specimen Stability
Room temperature: 8 hours, Refrigerated: 5 days, Frozen: 6 months


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Grossly hemolyzed specimens are unacceptable.


Reference Range
<2.0 mg/dL


Clinical Significance
In the newborn patient with hemolytic jaundice and neonatal jaundice, the increase in the total bilirubin is primarily due to the indirect (unconjugated) bilirubin fraction. Rh, ABO, or other blood group incompatibilities may cause this jaundice, by hepatic immaturity, or by hereditary defects in bilirubin conjugation.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.