HCV RNA Genotype 1 NS5a Drug Resistance (Sendout)

General Information

Lab Name
Lab Code
629
External Test Id
2014139
Description

Ordering Recommendation: Order before initiating treatment with NS5A inhibitors. Do not order prior to molecular confirmation of positive hepatitis C virus (HCV) screen and confirmation of genotype 1a or 1b. This test may be unsuccessful if the HCV RNA viral load is less than log 3.4 or 2500 IU/mL.

Ordering Note: This assay detects resistance-associated variants in NS5A codons 20-101 for HCV genotypes 1a and 1b only. For HCV Genotype 3 NS5A Drug Resistance testing, refer to separate entry #911, Hepatitis C Viral RNA Genotype 3 NS5a Drug Resistance.

Synonyms
2014139, HCV NS5A, Hepatitis C Viral RNA Genotype 1 NS5a Drug Resistance
Components

Interpretation

Method

Polymerase Chain Reaction (PCR), Sequencing

Reference Range
Ref. Range Notes

See report.

Ordering & Collection

Specimen Type
Blood
Collection

6 mL blood in LAVENDER TOP (EDTA) tube

  • Also Accepted: PEARL TOP PPT (Plasma Preparation Tube) or GOLD SST (Serum Separator Tube)
Handling Instructions

Outside Laboratories: Centrifuge sample and transfer plasma or serum to a separate plastic vial within 2 hours of collection. Freeze sample at -20°C while awaiting shipment. Transport on dry ice.

Stability: Frozen (preferred): 4 months; Refrigerated: 72 hours; Ambient: Unacceptable.

Unacceptable Conditions: Specimens collected in heparin anticoagulant.

Quantity
Requested: 2 mL plasma or serum
Minimum: 1 mL plasma or serum

Processing

Receiving Instructions

Centrifuge sample and transfer plasma or serum to a separate plastic vial within 2 hours of collection. Freeze sample at -20°C.

Sendouts:

  • Order ARUP Test: 2014139
  • Interfaced: Yes [Interface: 602; Department: ARPZ]

Stability: Frozen (preferred): 4 months; Refrigerated: 72 hours; Ambient: Unacceptable.

Unacceptable Conditions: Specimens collected in heparin anticoagulant.

Misc Sendout

Performance

Lab Department
Frequency
Performed: Monday. Reported: 10-13 days from sample receipt at ARUP Laboratories.
Available STAT?
No
Performing Location(s)
Sendout ARUP Laboratories, Inc.
800-522-2787

500 Chipeta Way
Salt Lake City, UT 84108

Billing & Coding

Billing Comments

CPT: 87902