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]
Rejection Criteria
SST or PST tube not acceptable.
Yellow Top Tube
Red Top Tube
Normal Volume
2 mL plasma or serum
Minimum Volume
0.7 mL plasma or serum
Storage Temperature
Refrigerated preferred, Ambient or frozen acceptable
Additional Information

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

Billing
CPT Code
80299
Fee Code
AA470