I have a donor who has tested invalid with abnormal pH two consecutive times. First sample's pH was 9.2, second sample's pH was 9.0. There is no good medical reason. There doesn't seem to be a long delay with collection and sample being received at the lab.
I forgot to mention that second specimen was a directly observed collection
How would you proceed?
Thanks for the help!
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If the second specimen is invalid for the same reason as the first specimen, the MRO reports test cancelled. No further action is required unless a negative result is required, i.e., pre-employment, return-to-duty, or follow-up. If a negative result is required, the employer sends the donor for a clinical assessment to determine if the donor is misusing drugs.