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Mayo Clinic Laboratories

Test Code HCPCR Hepatitis C Virus, RNA, Quantitative PCR

Important Note

Hepatitis C Virus (HCV) RNA Quantitative PCR

Alternate Test Name: HCV Viral Load
Test Number: 02257
Dept: Molecular
SPECIMEN COLLECTION REQUIREMENTS
Collection Container:

EDTA Plasma or SST Serum

Specimen: Plasma & Serum
Collection Notes: NOTE FOR OUT OF AREA CLIENTS: Please draw one full 6mL Pink Top (EDTA), or SST. Spin, Separate and freeze a minimum of 3mL plasma or serum within 24 hours of collection. Whole blood may only be submitted if it will be centrifuged, and the plasma/serum separated within 24 hours of collection.
Transport Temperature: Refrigerated
Specimen Volume: Preferred Volume: 3 mL; Minimum Volume: 2.5 mL
TECHNICAL SPECIFICATIONS
Performed: Monday, Wednesday, Thursday
Reported: Next Day
Methodology: Polymerase Chain Reaction (PCR)
CPT: 87522
LOINC: 11011-4
Stability: Room Temperature: 24 hours for refrigerated whole blood; Refrigerated: 3 days for plasma or serum; Frozen: 6 Weeks for plasma or serum
Reference Range:

Not Detected

Notes: The HCV Viral Load assay is reported in International Units (IU) of HCV RNA per mL of plasma/serum, as well as in log units. The analytical range of the assay is 15 to > 100,000,000 IU/mL. This assay has now received approval for expanded use as a confirmatory assay in the diagnosis of active HCV infection in patients with a positive Antibody screen, and will automatically be performed when an HCV Antibody screen is positive. *This test is run two or more days per week as a batch and is not run STAT. It may be necessary at times to alter the testing schedule due to instrument or other un-forseen issues. *