Test Overview
Test Methodology

Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)

Test Usage

Therapeutic Drug Monitoring

Reference Range *

1 - 2 ng/mL Sedation has been associated with serum clonidine concentrations greater than 1.5 ng/mL.

Test Details
Days Set Up
Daily
Analytic Time

6-9 days

Soft Order Code
MMLR
Synonyms
  • Catapres
Laboratory
Sendout
Reference Laboratory
Mayo FCLON (91107) (MedTox 406)
Section
Special Testing
Specimen Requirements
Collection Instructions

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

Special Handling

DO NOT USE SST OR PST TUBE

Rejection Criteria
SST or PST tube not acceptable.
Yellow Top Tube
Red Top Tube
Normal Volume
5 mL serum or plasma
Minimum Volume
1.2 mL serum or plasma
Additional Information

Test sent to Mayo Medical Laboratories; performed by MedTox Laboratories.

Billing
CPT Code
80375
Fee Code
20492
LOINC
3495-9
NY State Approved
No