Test Directory
| Test Code | |
| NS5B | |
| Test Name | |
| NS5B Drug Resistance | |
| CPT Codes | |
| 87900, 87902 | |
| Expected Turnaround Time | |
| 10 - 14 days | |
| Clinical Utility | |
| Assessment of drug susceptibility and nucleic acid sequencing of a patient's hepatitis C virus (HCV) to the NS5B inhibitors. Assay should be used for patients with documented HCV genotype 1. | |
| Specimen and Container Info | |
|
Preferred Specimen Type: Plasma Alternate Specimen Type: Serum Preferred Collection Container: White Top (EDTA); OR Lavender Top (EDTA) Alternate Collection Container: Gold Top, Serum Separator Desired Specimen Volume: 2 mL |
|
| Collection Instructions | |
|
Collect gold top, serum separator; white top (EDTA); or lavender tube (EDTA) via venipuncture. Centrifuge specimen within six hours of collection, remove serum/plasma, and transfer specimen to polypropylene screw-capped tube, and freeze. |
|
| Processing and Submission Instructions | |
|
Please indicate the patient's HCV genotype (1a or 1b) on the test request form. Submit a separate frozen specimen for each test ordered. |
|
| Transport Instructions | |
|
Transport to the laboratory frozen. |
|
| Causes for Rejection | |
| Insufficient volume, heparanized plasma, nonfrozen specimens, specimens exposed to repeated freeze/thaw cycles, specimen received in "pop-top" or "snap-cap" tube. | |
| Methodology | |
| Polymerase Chain Reaction (Pcr) Amplification And Dna Next Generation Sequencing | |
| Reference Intervals | |
|
See patient report. |
|
| Reference Lab | |
| Labcorp Of America Holdings |
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
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