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Bilirubin Total
MessageDO NOT ORDER ON PATIENTS < 29 DAYS OLD
Test Code
BILIT
Alias/See Also
Bilirubin Neonatal
CPT Codes
82247
Includes
If Total Bilirubin >2.0 mg/dL Direct Bilirubin will be added
Preferred Specimen
GREEN Lithium Heparin Plasma
Minimum Volume
0.25 mL
Other Acceptable Specimens
SST Serum Separator, Red No Gel
Instructions
Separate from cells within 4 hours of collection
Transport Container
GREEN Lithium Heparin
Transport Temperature
Room Temperature
Specimen Stability
Room Temp: 4 Hours; Refrigerated: 7 Days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Not separated from cells within 4 hours of collection, gross hemolysis
Methodology
Vitros 7600/3400
Reference Range
0.2-1.3 mg/dL
Clinical Significance
Total bilirubin in serum and plasma is the sum of unconjugated bilirubin (Bu), mono- and di-glucuronide conjugated bilirubin (Bc), and delta bilirubin (DELB), a bilirubin fraction covalently bound to albumin. With the exception of anicteric jaundice, total serum bilirubin is invariably increased in jaundice. Causes of jaundice are prehepatic, resulting from various hemolytic diseases; hepatic, resulting from hepatocellular injury or obstruction; and posthepatic, resulting from obstruction of the hepatic or common bile ducts.
Performed By
RFGH Laboratory
Performing Laboratory
RFGH Laboratory
