Cannabinoids Qualitative, Urine

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General Information

Lab Name
Cannabinoids Qual, URN
Lab Code
UTHCQL
Epic Ordering
Cannabinoids Qual, Urine
Description

See also: Standard Drug Screen [UDRSS]; Comprehensive Drug Screen [UDRSCG]; Drug Psychiatric Screen [UPDS]

Synonyms
Hashish- Urine, Marijuana-Urine, Tetrahydrocannabinol- Urine, THC- Urine

Interpretation

Method

Enzyme Multiplied Immunoassay Technique (EMIT)

Reference Range
Female Male
AgeRangeAgeRange
0-Negative [NRN] 0-Negative [NRN]

Effective date: 02/01/2011

Ref. Range Notes

Cutoff calibrator contains 50 ng/mL of the metabolite Δ9-tetrahydrocannabinolic acid (THC-COOH). The antibody in the immunoassay was raised against Δ9-tetrahydrocannabinol (THC).

Ordering & Collection

Specimen Type
Urine
Collection

RANDOM URINE

Handling Instructions

**Note: Confirmations if desired, require 5-8 mL each drug to Send to a Reference Lab

Quantity
requested: 5 mL urine
minimum: 0.5 mL urine**

Processing

Processing

Aliquot into BD sterile vacutainer tube for HAUTO (aliquot code RX23B) and refrigerate urine. Outside Laboratories: Specimen should be Frozen, if transport to Lab Medicine will take >24 hrs.

Performance

LIS Dept Code
Chemistry, Harborview (CHH)
Performing Location(s)
HMC Chemistry, Automated
206-520-4600

325 9th Ave, Rm # GWH-47, Seattle, WA 98104-2420

UW-NW Main Lab
206-668-1344

UW Medical Center – Northwest
1550 N 115th Street, A200
Seattle, WA 98133

Frequency
Daily, results same day
Available STAT?
Yes

Billing & Coding

CPT codes
80307
LOINC
18282-4
Interfaced Order Code
UOW679
Interfaced Result Code
UOW679