Ordering Recommendation

Detect herpes simplex virus (HSV) resistance to foscarnet sodium.

Mnemonic
HSVSUS FOS
Methodology

Cell Culture/Susceptibility

Performed

Wed

Reported

2-3 weeks

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Isolate from cell culture (3-4+ positivity).

Specimen Preparation

Isolate from cell culture (3-4+ positivity). Place each specimen in an individually sealed bag.

Storage/Transport Temperature

Room temperature. Also acceptable: Refrigerated and frozen on dry ice.

Unacceptable Conditions
Remarks
Stability

Ambient: 48 hours; Refrigerated: 72 hours; Frozen at -70°C: 1 month

Reference Interval

Less than 100 µg/mL 

Interpretive Data

A value of greater than or equal to 100 µg/mL suggests resistance.

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Compliance Category

Laboratory Developed Test (LDT)

Note

A processing fee will be billed for isolates that fail to grow to 3-4+ positivity as indicated in the specimen requirements. For specimens other than isolates (swabs) refer to Herpes Simplex Virus Culture (Test Number 0065005). 

Hotline History
N/A
CPT Codes

87252; 87253

Components
Component Test Code* Component Chart Name LOINC
2010864 Foscarnet IC50 Value
2010865 Foscarnet Interpretation 42317-8
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
Antiviral Susceptibility, Herpes Simplex Virus, Foscarnet