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HelpTest ID FACYS Acyclovir, Plasma
Method Name
High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Specimen Required
***Must submit one specimen per order. Specimens cannot be shared between multiple orders.***
Collection Container/Tube: Lavender top or pink top (EDTA) (Plasma gel/PST are not acceptable)
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL Plasma
Collections Instructions:
1. Centrifuge and aliquot 1 mL of plasma into a plastic vial.
2. Send refrigerated.
Reporting Name
Acyclovir, PlasmaSpecimen Type
Plasma EDTASpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Plasma EDTA | Refrigerated (preferred) | 30 days |
| Frozen | 120 days | |
| Ambient | 30 days |
Report Available
9 to 11 daysPerforming Laboratory
NMS LabsLOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FACYS | Acyclovir, Plasma | 9416-9 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| Z3531 | Acyclovir | Not Provided |
Day(s) Performed
Monday through Sunday
Test Classification
This test was developed and its performance characteristics determined by NMS Labs. It has not been cleared or approved by the U.S. Food and Drug Administration.CPT Code Information
80299
Specimen Minimum Volume
Plasma: 0.5 mL
Reference Values
Reporting limit determined each analysis.
For using Acyclovir:
Usual therapeutic range (vs. Genital Herpes) during chronic oral daily divided dosages of 1200-2400 mg:
Peak: 0.40-2.0 mcg/mL plasma
Trough: 0.14-1.2 mcg/mL plasma
For using Valacyclovir as a metabolite:
Mean steady-state (±1 SD) peak plasma levels following a 500 mg twice daily regimen
of Valacyclovir:
2.0-4.0 mcg Acyclovir/mL