Specimen Collection Manual and Test Catalog
ENHANCED LIVER FIBROSIS (ELF) SCORE
Geisinger Epic Procedure Code: LAB1068 Geisinger Epic ID: 52197SPECIMEN COLLECTION
Specimen type:
Serum
Preferred collection container:
Specimen required:
1 mL (0.5 mL minimum) serum
Patient preparation:
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.
SPECIMEN PROCESSING
Processing instructions:
Centrifuge within 2 hours of collection. Aliquot and freeze.
Transport temperature:
Frozen.
Specimen stability:
Room temperature: 48 hours. Refrigerated: 7 days. Frozen: 30 days.
Rejection criteria:
Gross hemolysis.
TEST DETAILS
CPT code(s):
81517
Note: The billing party has sole responsibility for CPT coding. Any
questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Methodology:
Chemiluminescence Immunoassay
Synonyms:
Review Date:
06/23/2025 Quest test code 10350, NASH, nonalcoholic steatohepatitis
Performing Locations