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3 mL Serum
Instructions: Age, sex, height, and weight are required
for this test.
Patient Preparation: Patient should be fasting for at
least 8 hours before sample collection. Foil wrap
specimen to protect from light. Freeze and ship frozen.
Causes for Rejection:
gross hemolysis; gross lipemia;
improperly labeled specimen; nonfasting specimen; sample
not protected from light.
Serum Separator Tube
Red-top tube (no gel)
Room Temperature: unacceptable
Refrigerated: 72 hours
Frozen: not established
Laboratory Corporation of America
13900 Park Center Road
Herndon, VA 22071
This test is a noninvasive assessment of liver status in
patients with nonalcoholic fatty liver disease (NAFLD).
Quantitative results of 10 biochemicals, in combination
with age, gender, height, and weight, are analyzed using
a computational algorithm to provide a quantitative
surrogate marker (0.0-1.0) of liver fibrosis (Metavir
F0-F4), hepatic steatosis (0.0-1.0, S0-S3), and
nonalcoholic steatohepatitis (NASH) (0.0-0.75, N0-N2).
The absence of steatosis (S < 0.38) precludes the
diagnosis of NASH.
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
LOINC assignment is based on a combination of test attributes, including the method used by the performing laboratory. For tests not performed by Quest Diagnostics, codes are assigned by the performing laboratory.
* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.