The refrigerated urine specimen must be bring back to room temperature
before processing or testing them to prevent affects to the physical
characteristic of urine. Moreover, refrigeration of the sample urine is done to
preserve the urine if testing is not yet possible and to prevent bacterial
growth of the specimen for 24 hours.
I would say the answer would be to just talk to the guy about it.
advance directive - a written statement of a person's wishes regarding medical treatment, often including a living will, made to ensure those wishes are carried out should the person be unable to communicate them to a doctor.
