A member asked:

My friend is having a blood test. it checks for cbc, tsh and ft4. will marihuana and alcohol show up in these test results?

6 doctors weighed in across 2 answers
Dr. Pamela Pappas answered

Specializes in Psychiatry

Unlikely, unless . .: If the doctor also orders a screen for specific drugs and alcohol level, these results would show up. If testing only for cbc, tsh, and free t4, they would not. If you're concerned about positive drug & alcohol testing, best to stay away from using those substances -- especially at age 15.

Answered 7/30/2020

4.9k views

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Dr. Kenneth Adler answered

Specializes in Psychiatry

NO: The test you mention would not show drug or alcohol levels.

Answered 2/24/2018

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