Drug Toxicology Marijuana, with Confirmation, Oral Fluid

LOINC codes: 40801-3, 72764-4
Tests that measure Drug Toxicology Marijuana, with Confirmation, Oral Fluid: Quest Diagnostics 1

Ranges

Each lab publishes a reference range for the population groups it tests, usually the middle 95% of results. These intervals describe that population, not an optimal or healthy target. How ranges differ

Quest Diagnostics, Drug Toxicology Marijuana, with Confirmation, Oral Fluid 93981

Population	Interval
Marijuana	<2.5 ng/mL
THC	<2.5 ng/mL

Quest Diagnostics test catalog, 93981

Tests

Check the catalog code, specimen, method and preparation for every test that measures Drug Toxicology Marijuana, with Confirmation, Oral Fluid. Select up to five tests to compare them side by side.

Quest Diagnostics 1 test

Single-analyte tests

Drug Toxicology Marijuana, with Confirmation, Oral Fluid 93981
1 mL oral fluid inserted into 3 mL buffer tube collected in Quantisal™ device · Fasting not stated · Turnaround Set up: Daily
Method and collection
Method
Screen: Immunoassay • Confirmation: Mass Spectrometry
Preparation
Quantisal™: Avoid any food or drink consumption, or gum or tobacco use for 10 minutes prior to collecting. If donor's mouth is not empty immediately prior to collection, have subject rinse mouth with water (up to 4 oz) and wait a minimum of 10 minutes before collecting a specimen.
Collection
Quantisal™: Using the standard Quantisal™ collection container, place the swab under the tongue. Donor should keep head down to allow gravity to help with saliva collection. Leave in place until blue dye indicates that the collection pad is saturated sufficiently. Follow collection instructions on package.
Quest Diagnostics catalog page

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Sources

Quest Diagnostics test catalog
1 test: codes, specimens, methods, preparation and reference intervals.
LOINC 40801-3, 72764-4
Regenstrief Institute codes that identify the same result across labs.
Search ClinicalTrials.gov for Drug Toxicology Marijuana, with Confirmation, Oral Fluid
Registered studies that measure Drug Toxicology Marijuana, with Confirmation, Oral Fluid, on the U.S. National Library of Medicine registry.

Verify these ranges and sources

We compile this page from named laboratory catalogs, guidelines and studies. Labs calculate reference intervals from the people they test, for one assay method and one population group, so an interval describes that population rather than an optimal target.

Interpret your own results with a licensed clinician, or track your lab history and health goals in Aumnivida.

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