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.

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

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

Billing
CPT Code
80320
NY State Approved
No
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