A DOT drug test has a specific process to deal with donors having a shy bladder. Shy bladder is when the donor cannot produce a specimen sufficient enough for the urine drug test s/he has to remain at the collection facility until s/he can produce one.

In a nutshell this is what DOT rules under 49 CFR part 40, at paragraph 40 .193. say:

- For DOT testing the minimum amount of urine required is 45 ml
- Specimens from different voids cannot be combined
- Donors are permitted up to 40 oz. of water and up to 3 hours.
- At the 3 hour mark it becomes a “Refusal To Test”
- If a donor leaves the collection site before providing sufficient specimen, it is considered a “Refusal To Test”
- Most shy bladder cases resolve themselves in 30 min. or less

At InOut Labs our staff is well versed to deal with a donor having a shy bladder and we comply with all the DOT regulations associated with it.

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Read more about this topic on our blog:
- Problem Collections: Shy Bladder ► https://tinyurl.com/ymx56raz
- If a donor has a “shy bladder,” how long can s/he stay at the collection site to provide a urine specimen? ► https://tinyurl.com/yd65wfs7
- Shy Bladder In A DOT Drug Test ► https://tinyurl.com/5dudktd6