Test Overview
Test Methodology

LC/MS/MS

Reference Range *

Peak: 0.4 - 2.0 mcg/ml, Trough: 0.14 - 1.2 mcg/ml (usual therapeutic range during chronic oral daily divided dosages of 1200 - 2400 mg).

Test Details
Days Set Up
Monday - Sunday
Analytic Time

7 - 13 days

Soft Order Code
FACYS
MiChart Code
Acyclovir (Zovirax) Level
Synonyms
  • Zovirax
  • ACYCLOVIR
  • ACYCL REP
  • REPORTING LIMIT
  • Acycloguanosine
Laboratory
Sendout
Reference Laboratory
Mayo FACYS (NMS 0158SP)
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect specimen in lavender or red top tube; do not use SST/PST tube. Centrifuge, aliquot plasma or serum into a plastic vial and refrigerate.

Alternate Specimen
Urine is an acceptable specimen (2 mL). [10/03]
Normal Volume
2 mL plasma or serum
Minimum Volume
0.7 mL plasma or serum
Storage Temperature
Refrigerated preferred, Ambient or frozen acceptable
Rejection Criteria
SST or PST tube not acceptable.
Additional Information

Test sent to Mayo Medical Laboratories; performed by NMS Labs.

Billing
CPT Code
80299
Fee Code
AA470