Nonalcoholic Steatohepatitis (NASH)-FibroTest, Serum and Plasma
Order Code:
NSFIB
Test Summary
Diagnosis and the follow-up of liver fibrosis, steatosis, and inflammation
Aliases
- NASH, steatosis
Specimen Collection
Special Instructions
Both serum and plasma are required for this test.
Preferred Specimen
4 mL serum in an amber vial, 1 mL plasma (Gray top (potassium oxalate/sodium fluoride)
Minimum Volume
2 mL serum from a red top tube and 0.25mL plasma from a gray top (potassium oxalate/sodium fluoride)
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.
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.
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.
Storage
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
Limitations
N/A
Other Acceptable Specimens
N/A
Unacceptable Specimens
Serum not light protected, gross hemolysis, gross lipemia, gross icterus, patients <14 years old
Order Code
NSFIB
EPIC (Premier) Code
LAB6809
Includes
N/A
CPT Code
- 0003M
Billing Code
- 650067
CPT Statement
Methodology
Automated Turbidimetric Immunoassay,
Nephelometry,
Photometric Rate,
Enzymatic Colorimetric
Nephelometry,
Photometric Rate,
Enzymatic Colorimetric
FDA Status
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.
Physician Attestation of Informed Consent
N/A
Testing Laboratory
Mayo Clinic Laboratories
200 First Street SW
Rochester MN, 55905
200 First Street SW
Rochester MN, 55905
Department
Reference Testing
Reference Range
N/A
Setup Schedule / Expected Turnaround Time
Monday - Friday; Report available: 2 - 4 days
Specimen Collection
Special Instructions
Both serum and plasma are required for this test.
Preferred Specimen
4 mL serum in an amber vial, 1 mL plasma (Gray top (potassium oxalate/sodium fluoride)
Minimum Volume
2 mL serum from a red top tube and 0.25mL plasma from a gray top (potassium oxalate/sodium fluoride)
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.
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.
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.
Storage
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
Limitations
N/A
Other Acceptable Specimens
N/A
Unacceptable Specimens
Serum not light protected, gross hemolysis, gross lipemia, gross icterus, patients <14 years old
Result Information
Methodology
Automated Turbidimetric Immunoassay,
Nephelometry,
Photometric Rate,
Enzymatic Colorimetric
Nephelometry,
Photometric Rate,
Enzymatic Colorimetric
Testing Laboratory
N/A
Reference Range
N/A
Setup Schedule / Expected Turnaround Time
Monday - Friday; Report available: 2 - 4 days