Based on the information it seems like a "FALSE POSITIVE" test for CODINE/ MORPHINE
There are two different possibilities if the information provided is 100% correct.
1) There are cases where a patient had eaten to many donuts with "POPPY SEED" which has as same content as codine/ morphine in very trace amount but eating a lot will turn the table around and make their urine positive for such drugs.
2)URINE sample may have accidentally changed with some one else.
Hope it helps.
Dr. JAY PATEL.