Foscarnet Resistance HSV (Phenotype)

CPT: 87252; 87253
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Test Details

Synonyms

  • Foscavir® Resistance
  • Herpes Simplex Types 1 and 2 Virus Phenotyping for Foscarnet Drug

Use

This test method uses a plaque reduction assay. It measures the extent to which various concentrations of foscarnet inhibit the growth of virus in cell culture. The concentration of drug which results in a 50% reduction in plaque formation induced by viral cytopathic effect (CPE) versus the no-drug control establishes an inhibitory dose (ID-50) drug concentration reportable value.

Specimen Requirements

Specimen

Actively-growing isolate (preferred) or eye, genital, oral, urethral, vesicle, or throat swab

Volume

One tube with media or one swab

Container

Isolate in tube with media capped tightly or swab in viral transport media

Storage Instructions

Maintain isolate at room temperature. Refrigerate viral transport media with swab.

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
138362 HSV Foscarnet Resistance 256-8 138363 ID 50 = ug/mL 256-8

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