Find Locations
For hours, walk-ins and appointments.Synonyms
- Lysergic Acid Diethylamide
Expected Turnaround Time
7 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
Serum or plasma, protected from light
Volume
7 mL
Minimum Volume
3 mL
Container
Red-top tube or green-top (heparin) tube. Gel-barrier tubes are not recommended.
Collection
Serum or plasma should be separated from cells within two hours of venipuncture. Submit serum or plasma in a plastic transport tube. Wrap specimen in foil to protect from light.
Storage Instructions
Freeze. Protect from light.
Stability Requirements
Temperature | Period |
|---|---|
Room temperature | Unacceptable |
Refrigerated | 2 weeks |
Frozen | 6 months |
Causes for Rejection
Gel-barrier tubes
Test Details
Use
Detect presence of lysergic acid diethylamide (LSD), an illicit hallucinogen
Methodology
Initial presumptive testing by immunoassay (IA) at a testing threshold of 0.5 ng/mL; presumptive positives confirmed by definitive liquid chromatography/tandem mass spectrometry (LC/MS-MS) at a testing threshold of 0.1 ng/mL
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 808577 | LSD (Lysergide), Serum | 809229 | LSD | ng/ml | 3730-9 | |
| 808577 | LSD (Lysergide), Serum | 808578 | Specimen Type | 31208-2 |
| Reflex Table for LSD | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 808843 | LSD Serum, LC-MS/MS Confirm. | 808844 | LSD (Lysergide) | ng/ml | 3731-7 |
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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