Last Modified:
3/27/2019 3:03:20 PM
Medical Necessity Documentation:
Client Notes:
Patient Preparation:
Specimen Requirements:
2.0 mL Plasma from a Lavender Top Tube - EDTA in a Plastic Vial
Collection Instructions:
Separate plasma from whole blood within 24 hours of collection by centrifugation. Transfer to a plastic, screw-cap vial and refrigerate or freeze.
Minimum Volume:
0.6 mL Plasma
Transport & Storage: Temperature/Stability:
72 hours Ambient
14 days Refrigerated
42 days Frozen
Rejection Criteria:
Gross hemolysis • Gross lipemia • Specimens collected using heparin as anticoagulant
Reference Range:
| HCV NS5b Subtype |
Not detected |
Critical Ranges:
Test Comments:
Methodology:
Polymerase Chain Reaction (PCR) • Sequencing
Clinical Significance:
For detection of mutations in the Genotype 1 NS5b gene associated with resistance to nucleotide analog NS5b polymerase inhibitors (example: sofosbuvir, a nucleotide analog inhibitor of HCV NS5b polymerase).
Documentation:
Custom Panel:
No
PRODUCTION SCHEDULE
Turn Around Time:
5 to 12 days
Days Performed:
Tuesday
PHL Test Code:
HC15B
EPIC Test Code:
LAB3012
Send Out Test Code:
92204
Alternate Test Names:
HCV Genotype1 NS5B; NS5b Drug Resistance; Sofosbuvir Resistance
Included Tests:
HCV NS5b Subtype, Sofosbuvir Resistance
CPT Coding:
87902
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