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

CPT 80349

Test Details

Methodology

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

Result 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

Use

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

Special Instructions

Testing is referred to MedTox Laboratories Inc.

Specimen Requirements

Specimen

Urine (random)

Volume

30 mL

Minimum Volume

3 mL

Container

Plastic urine container without preservative

Collection Instructions

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

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
Order Code701907
Order Code NameCannabidiol (CBD)/THC Ratio,Ur
Order Loinc
Result Code701905
Result Code NameCBD:THC Ratio
UofMRATIO
Result LOINC95075-8