Find Locations
For hours, walk-ins and appointments.Expected Turnaround Time
7 - 10 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Specimen Requirements
Specimen
Urine (random)
Volume
5 mL
Minimum Volume
1 mL
Container
Plastic urine container without preservative; protect from light
Collection
Wrap specimen in foil to protect from light.
Storage Instructions
Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen.
Causes for Rejection
Urine in preservative tube
Test Details
Use
Detect presence of mescaline, an illicit hallucinogen
Methodology
Initial presumptive testing by liquid chromatography/mass spectrometry (LC/MS-MS) at a testing threshold of 1.0 ng/mL; presumptive positives confirmed by definitive liquid chromatography/mass spectrometry (LC/MS-MS) at a testing threshold of 1.0 ng/mL
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 790378 | Mescaline, Ur | 12296-0 | 790429 | Mescaline | 12296-0 |
| Reflex Table for Mescaline | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 790382 | Mescaline Confirmation | 790431 | Mescaline Confirmation | 19543-8 | |
© 2021 Laboratory Corporation of America® Holdings and Lexi-Comp Inc. All Rights Reserved.
CPT Statement/Profile Statement
The LOINC® codes are copyright © 1994-2021, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf