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Enhanced Liver Fibrosis (ELF) Score
MessagePatient preparation: Dietary supplements containing biotin may interfere in assays and may skew analyte results to be either falsely high or falsely low. For patients receiving the recommended daily Doses of biotin, draw samples at least 8 hours following the last biotin supplementation. For patients on mega- Doses of biotin supplements, draw samples at least 72 hours following the last biotin supplementation. Samples with fluorescein may cause falsely depressed results. Evidence suggests that patients undergoing retinal fluorescein angiography can retain amounts of fluorescein in the body for up to 72 hours post-treatment. Specimen Requirement: Gold SST Spin sample within two hours after collection. Transport Temp: Refrigerated Specimen Stability: 7 days
Test Code
LAB161222 ELFSC
Alias/See Also
ELFSC
CPT Codes
81517
Includes
@BKRCERMSGREFRESH(2302793)@ @BKRCERMSGREFRESH(2302794)@
Instructions
Processing Instructions: Spin sample within two hours after collection. Preferred Volume: 1 mL serum Minimum Volume: 0.5 mL serum Transport Temperature: Refrigerated Stability: Ambient: 48 hoursRefrigerated : 7 daysFrozen: 30 daysCauses for Rejection: Gross HemolysisSetup Schedule: Tues, Thurs, SatPerforming Laboratory: Quest Diagnostics Nichols Institute-San Juan Capistrano, CA (SJC)
Report Available
10-Days
Clinical Significance
1230171368
Last Updated: May 18, 2026