A member asked:

Will thc show up on as regular urinalysis with culture for pre op appointment? i ate a pot brownie two days ago. never consumed marijuana before.

5 doctors weighed in across 4 answers

No: Routine urinalysis does not test for drugs. Such testing has to be specially ordered.

Answered 4/30/2015

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THC: THC will not show up on a routine urinalysis but you should be careful about the pasties you eat!

Answered 8/1/2014

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Urinalysis: A basic urinalysis tests for red and white blood cells, pH, concentration and other indicators of infection. A culture specifically is used to identify bacteria types and amounts in the urine. If a urine drug screen is performed, it will be positive.

Answered 8/1/2014

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Dr. Silviu Pasniciuc answered

Specializes in Internal Medicine

No: A regular urinalysis would not reveal the presence of THC, a tox screen will.

Answered 8/1/2014

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