ELF Testing Service

Test Description:

The ELF™ test1 is a multivariate index assay intended to provide an algorithmic liver fibrosis score based on quantitative measurements of hyaluronic acid (HA), amino-terminal propeptide of type III procollagen (PIIINP), and tissue inhibitor of metalloproteinase 1 (TIMP-1) from serum. The ELF™ Score serves, in conjunction with other clinical information, as a prognostic marker for the risk of liver-related clinical events in patients with chronic liver disease2.


ELF Score Interpretation2

< 9.8 : Low risk
9.8 to <= 11.3 : Moderate risk
< 11.3 : High risk


ELF Testing Service Specifications

Sample type: 0.5mL serum (SST or plain glass)
Shipping: Ship frozen samples
Results Turn-Around Time: 5 days
Availability: All states except NY state
Billing: Direct institutional billing only
Pricing: Ask your Siemens Healthcare Laboratory representative for details

Contact Details:
Siemens Healthcare Laboratory, LLC
725 Potter Street
Berkeley, CA 94710, USA

+1 800 434-2447
dx.scl.healthcare@siemens.com


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1 ELF testing service was developed and its performance characteristics determined by Siemens Healthcare Laboratory, LLC. It has not been cleared or approved by the U.S. Food and Drug Administration. Our laboratory is regulated under CLIA as qualified to perform high-complexity testing. This test is used for clinical purposes. It should not be regarded as investigational or for research.

2 Risk of liver-related clinical events at 5 years (Day et al, 2018)

References:
Day J, Patel P, Parkes J, Rosenberg W. Derivation and performance of standardized Enhanced Liver Fibrosis (ELF) test thresholds for the detection and prognosis of liver fibrosis. The Journal of Applied Laboratory Medicine. 2018 Oct 11:jalm-2018