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Hi and thanks for the query.
If this was a one time dose then this should be undetectable in the next 24 hours since the half life of Hydromorphone is 2 to 3 hours at max which means 2 mg should be out in 9 to 12 hours.
However, if you have been on it for a while then it takes 3 to 4 days.
Other factors such as being over weight and being on higher doses or on an extended release tablet also cause variations in results.
Hope this helps.
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Hi and thanks for the reply.
With a single dose, there is almost negligible chance of this amount showing up in a test after almost a day.
Besides that, if it was given to you in the ER then it is legit and available in your medical records, although the possibility of this dose showing up in the urine test is scarce but even if it does, you can always tell your pain management doctor that you were given the medication on prescription in the ER.