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Test Code FIB-4 402175 FIB-4 with Reflex to Enhanced Liver Fibrosis (ELF)

Important Note

This test is performed at our LabCorp reference lab, test code 402175.

 

Alanine aminotransferase (ALT/SGPT); aspartate aminotransferase (AST/SGOT); FIB-4 index (by calculation); platelet count. If the FIB-4 index is >1.29, testing will reflex to Enhanced Liver Fibrosis (ELF), performed at an additional charge. 

Additional Codes

LAB123965

Collection Requirements

Specimen: two specimens, serum and whole blood

 

Volume: Serum 2 mL divided into two tubes. Whole blood, tube filled to capacity.

 

Container: Serum in either gel-barrier or red-top tube. Whole blood in lavender-top EDTA tube.

 

Collection: Serum - separate from cells within 45 minutes of collection. Whole blood - invert EDTA tube immediately 8 to 10 times once filled after collection. 

 

Storage: Serum sample for initial testing and whole blood can be stored at room temperature. Serum sample for possible reflex can be stored refrigerated a 2 - 8 C for 72 hours.