Cannabidiol (CBD)/Tetrahydrocannabinol (THC) Ratio, Urine

TEST: 701907
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CPT: 80349
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Special Instructions

Testing is referred to MedTox Laboratories Inc.

Expected Turnaround Time

3 - 5 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.

Related Documents

For more information, please view the literature below.

CBD/THC Testing

Specimen Requirements

Specimen

Urine (random)

Volume

30 mL

Minimum Volume

3 mL

Container

Plastic urine container without preservative

Collection

Collect urine in a plastic urine container without preservative.

Storage Instructions

Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen.

Causes for Rejection

Urine from preservative tube

Test Details

Use

To assist in distinguishing whether a positive urine THC test is exclusively the result of CBD use.

Methodology

Liquid chromatography/tandem mass spectrometry (LC/MS-MS)

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
701907 Cannabidiol (CBD)/THC Ratio,Ur 701905 CBD:THC Ratio RATIO 95075-8

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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