ELF Score
Back to Test Catalogue
Enhanced Liver Fibrosis (ELF), Serum
Test ID: ELF S
Test
Aliases/Synonyms
Method
Chemiluminescent Immunoassay
Method Description
The ELF score is based on the combined quantitative measurements of Hyaluronic acid, N-terminal propeptide type III procollagen (PIIINP) and Tissue inhibitor of matrix metalloproteinase 1 (TIMP-1).
Report Includes
Enhanced Liver Fibrosis (ELF) Score
Specimens
Serum
Clinical Utility
The ELF (Enhanced Liver Fibrosis) test is indicated, with other laboratory results and clinical evaluations, to assess the severity of liver fibrosis in patients with signs, symptoms, or risk factors of chronic liver disease.
Test Version
30-Sep-2025
Specimen
Specimens
Serum
Collection Containers
Gold top (clot activator & gel)
Sample Volume
1.0 mL
Minimum Volume
0.5 mL
Patient Preparation
Biotin supplementation exceeding 5000 mcg/day may skew analytical results. Discontinue supplementation 72 hours prior to sample collection.
The fluorescein used in retinal angiography can persist in the bloodstream and may interfere with analytical results. Wait at least 72 hours after the procedure before collecting the sample.
Collection & Handling
Handling Information
Spin and transfer serum to polypropylene transfer vial. Store and send frozen.
Stability
| Ambient | 2 days |
|---|---|
| Refrigerated | 7 days |
| Frozen | 12 months |
Rejection Criteria
| Hemolysis | Present |
|---|
Test Version
30-Sep-2025
Performance / Interpretation
Method
Chemiluminescent Immunoassay
Method Description
The ELF score is based on the combined quantitative measurements of Hyaluronic acid, N-terminal propeptide type III procollagen (PIIINP) and Tissue inhibitor of matrix metalloproteinase 1 (TIMP-1).
Turnaround Time
8 days
Results
| Name | Units | Reference Range | Conversion Factor | |
|---|---|---|---|---|
| Enhanced Liver Fibrosis (ELF) | Score |
|
||
|
The ELF score is based on the combined quantitative measurements of hyaluronic acid, amino terminal propeptide of type III procollagen and tissue inhibitor of matrix metalloproteinase 1.
Biotin supplementation exceeding 5000 mcg/day may skew analytical results. Discontinuing supplementation is recommended 72 hours prior to sample collection. The fluorescein used in retinal angiography can persist in the bloodstream and may interfere with analytical results. It is recommended to wait at least 72 hours after the procedure before collecting the sample. |
||||
Test Version
30-Sep-2025
Interface / Setup
HL7 Interface Codes
| Order Code | Result Codes | Units |
|---|---|---|
| ELF S | 66242ELF |
Test Version
30-Sep-2025