AccuType® Ribavirin (ITPA)

Test Code
91416

CPT Codes
81479

Includes
rs1127354 genotype, rs7270101 genotype

Preferred Specimen
Minimum: 4 mL whole blood collected in an EDTA (lavender-top) tube

Instructions
Normal phlebotomy procedure. Store and ship room temperature immediately. Do not freeze.

Transport Temperature
Room temperature

Specimen Stability
Room temperature: 8 days
Refrigerated: 8 days
Frozen: Unacceptable

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received frozen

Methodology
Real-Time Polymerase Chain Reaction (RT-PCR)

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule
Set up: Daily a.m.; Report available: 4-5 days

Reference Range
See Laboratory Report

Clinical Significance
A laboratory developed, duplex real-time PCR assay on ABI's ViiA7 instrument detects SNPs rs1127354 and rs7270101 in the inosine triphosphatase (ITPA) gene for patients being treated for hepatitis C virus (HCV) to help assess risk of ribavirin (RBV) induced anemia.



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.