A member asked:

How much urine is needed for psychiatrist drug screen?

11 doctors weighed in across 3 answers

Your bladder: Only a portion of what your bladder holds.

Answered 5/8/2016

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Very little: Only a couple of oz needed.

Answered 9/25/2013

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Dr. Alan Ali answered

Specializes in Psychiatry

UDS: U will be provided at the lab with a cup with specific instructions.

Answered 5/8/2016

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