Test Overview
Test Methodology

GC/MS

Test Usage

GC/MS confirmation for 11-nor-9-carboxy-delta-9-THC. Includes a urine creatinine and ratio of THC metabolite to creatinine. This ratio is the best indicator of continued drug use when compared to previous values on the same patient.

Reference Range *

Negative

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Monday - Friday
Analytic Time

1 - 2 days

Soft Order Code
WUTHC
MiChart Code
Cannabis (THC), Urine (Sendout)
Synonyms
  • 11-nor-9-carboxy-delta-9-THC
  • Tetrahydrocannabinol, Urine
  • THC, Urine
Laboratory
Sendout Testing
Reference Laboratory
Warde UCTHC
Section
Sendout Testing
Specimen Requirements
Collection Instructions

Collect random urine specimen. Refrigerate.

Special Handling

Only to be used if a positive screen needs to be quantified. If no screening has been ordered before this, start with the inhouse UDSIA first

Normal Volume

10 mL urine

Minimum Volume

8.0 mL urine

Storage Temperature
Refrigerated
Additional Information

Test sent to Warde Medical Laboratory. Cannabinoid or THC Screen (UCAN) and Cannabinoid or THC Qualitative Confirmation (MSCAN) performed by Drug Analysis and Toxicology Laboratory. Cannabinoid or THC Quantitative Confirmation (THCU) sent to Warde Medical Laboratory.

Billing
CPT Code
80349
Fee Code
32067
LOINC
20521-1
NY State Approved
No