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
Synonyms
  • UTHCGL
  • 11-nor-9-carboxy-delta-9-THC
  • Tetrahydrocannabinol, Urine
  • THC, Urine
  • THCG
  • CANNABINOIDS CONFIRM W/C.O.C.
  • THCU
Laboratory
Sendout
Reference Laboratory
Warde UCTHC
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect random urine specimen. Refrigerate.

Normal Volume
10 mL urine
Minimum Volume
3.0 mL urine
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