Nonalcoholic Steatohepatitis (NASH)-FibroTest, Serum and Plasma

Test Code
NSFIB


Alias/See Also
NASH,
steatosis


CPT Codes
0003M

Preferred Specimen
Both serum and plasma are required for this test.


Patient Preparation
Fasting for at a minimum of 12 hours is required. THIS TEST IS NOT OFFERED FOR PATIENTS YOUNGER THAN 14 YEARS OF AGE. TESTING WILL BE CANCELED IF A SPECIMEN IS RECEIVED FROM A PATIENT IN THIS AGE GROUP

Minimum Volume
Serum: 2 mL,
Plasma: 0.25 mL


Instructions
4 mL serum in an amber vial
1. Centrifuge and aliquot serum into an amber vial within 2 hours of collection.
2. Centrifuged serum must be light protected within 4 hours of collection. It is acceptable to draw the blood and then protect it from light after centrifugation if it is within 4 hours of collection.
3. Label specimen as serum. 1 mL plasma from a gray top (potassium oxalate/sodium fluoride)

1. Centrifuge and aliquot plasma into plastic vial.
2. Label specimen as plasma.


Transport Container
Amber vial of serum, Plastic vial of plasma


Transport Temperature
Refrigerated


Specimen Stability
SERUM
Room Temperature: 24 hours
Refrigerated: 7 days
Frozen: 14 days

PLASMA
Room Temperature: 7 days
Refrigerated: 7 days
Frozen: 14 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Serum not light protected, gross hemolysis, gross lipemia, gross icterus, patients <14 years old


Methodology
Automated Turbidimetric Immunoassay,
Nephelometry,
Photometric Rate,
Enzymatic Colorimetric

Setup Schedule
Monday - Friday


Report Available
2 - 4 days


Performing Laboratory
Mayo Clinic Laboratories - Rochester Main Campus
200 First Street SW,
Rochester, MN 55905
 



The CPT Codes provided in this document 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 payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.