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Test Code LAB5112 Marijuana (THC) Screen, Urine

Performing Laboratory

Asante Rogue Regional Medical Center / Asante Three Rivers Medical Center / Asante Ashland Community Hospital

Specimen Minimum Volume

1.0 ml

Billing Code

2050854

Methodology

Homogenous Enzyme Immunoassay

Specimen Requirements

Required volume 10 ml urine

Sterile Collection Cup


Specimen can be collected at any time

Reasons for Rejection

Lack of Two Patient Identifiers:

         1-Patient's First & Last name 

         2-Patient's Date of Birth

Day(s) Test Set Up

Monday through Sunday

Routine - Performed on all shifts

ASAP - 2 hours after receipt of specimen in lab

STAT - 1 hour after receipt of specimen in lab

Test Classification and CPT Coding

80101  -  Drug screen, qualitative; single drug class method 

Additional Information

To detect the presence of THC (marijuana) in urine.

Notes: This screening test is reported as “Unconfirmed positive for medical use only.”  A confirmation test by GC/MS is required for all maternal/infant initial positive samples.  Medicolegal action should not be initiated prior to positive confirmation by GC/MS.  All other “legal” drug screens are referred to the Occupational Health Department. For interfering substance information, see the Cross-Reactivity Section.

Specimen Transport Temperature and Stability

Stable if refrigerate at 2° to 8° C for up to 7 days

Performing Department

Chemistry