Hepatitis C Virus High Resolution Genotyping

Abbrev Code:HEPCHI   
Order Code:LAB9465Order Name:Hepatitis C High Res Genotype
Synonyms:HCV Genotyping
Methodology:Polymerase chain reaction (PCR) /Sequencing
CPT Codes: 87902 x1
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported within 5-8 days.
Special Instructions:Submit most recent viral load and test date if available.
Do not order prior to molecular confirmation of positive hepatitis C virus (HCV) screen. See Hepatitis C Screen with Reflex to HCV RNA Quantitation and HCV Genotype (HCVSR). Order before initiating HCV therapy to aid in prognosis and therapy selection when a higher level of subtype resolution is required (i.e. non 6a/b vs. type 1 and type 1a vs. 1b.

For tests developed and validated by ARUP (previously referred to as Compliance Statement B, C or D). This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the U.S. Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Associated Links:

Hep C Screening with Reflex Cascade Algorithm

Collection Instructions

Optimal Volume:4 mL
Minimum\Peds Volume:1.2 mL
Container:Purple (EDTA)
Alternate Containers: Red (no gel), Red or gold (gel)
Causes for Rejection:Heparinized specimens.

Processing and Shipping

Specimen Processing:Centrifuge and aliquot 2 mL, 0.5 mL minimum serum or plasma.
Shipping Instructions:Ship on dry ice.
Stability:After separation from cells: 72 hours at refrigerated temperature. 4 months frozen.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:2006898


Reference Range:By report
Use:Isolates of hepatitis C virus are grouped into six major genotypes (1-6). The genotypes are subtyped according to sequence characteristics. Sequencing both the Core and NS5B regions allows for subtyping of all confirmed and most provisional genotypes. Including differentiation of 1a from 1b and typing of genotype 6. This test may be unsuccessful if the HCV RNA viral load is less than log 5.0 or 100,000 IU/mL.

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