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A 34-year-old member asked:

When do doctors test for thc in blood and urine?

1 doctor answer6 doctors weighed in
Dr. Elizabeth Howell
Psychiatry 42 years experience
Various reasons: To test for street drugs that may be affecting health. To determine if someone is abstinent from addicting drugs, including cannabis. Also, many pain management specialists require drug screens for patients receiving opioid pain medications.
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Last updated May 8, 2016
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