Test Overview
Test Methodology

HPLC

Test Usage

Assessing toxicity or abuse.

Reference Range *

Therapeutic: 2-10 mcg/mL; Toxic: Greater than or equal to 20 mcg/mL.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Tuesday
Analytic Time

2 - 3 weeks

Soft Order Code
MMLR
Synonyms
  • Placidyl
Laboratory
Sendout
Reference Laboratory
Mayo Wild 86 (ZW86) (NMS 1970SP)
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect specimen in Red top or Green top tube; do not use SST/PST tube. Centrifuge and aliquot serum/plasma into a plastic vial. Send to Specimen Processing refrigerated.

Normal Volume
3 mL serum or plasma
Minimum Volume
1.2 mL serum or plasma
Storage Temperature
Refrigerated preferred, frozen or ambient also acceptable
Rejection Criteria
SST or PST tube not acceptable.
Additional Information

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

Billing
CPT Code
80320