|Alternate:||Bilirubin, Conjugated and Unconjugated|
|Includes:||Measured total and direct bilirubin, and calculated indirect bilirubin.|
|SQ Code:||BILI DBIL-direct TBIL-total|
|Available:||Daily, 24 hours|
|Turnaround:||Routine: 3 hours, STAT: 30 minutes|
|Container:||3 mL green top tube or green microtainer (sodium heparin)|
|Temperature:||Transport to lab within 30 minutes, protect from light.|
0 days: <8.0 mg/dL
2 days:<12.0 mg/dL
3 days: <16.0 mg/dL< br>1 month: 0.2 - 1.0 mg/dL.
1 month 0-0.4mg/dL
|Uses:||Liver and biliary test useful in the differential diagnosis of jaundice from bilirubin overproduction (hemolysis), decreased uptake (Gilbert's), decreased conjugation (hepatocellular disease, neonatal immaturity, Crigler-Najjar, drug inhibition), decreased excretion into bile (hepatocellular disease, familial, drug induced, pregnancy, obstructive bile duct disease).|
|Limitations:||Visibly hemolyzed specimens will cause interference in the direct bilirubin result.|
|Method:||Colorimetric biochromatic endpoint with blank (Jendrassic and Grof method)|
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