I was recently dismissed from my PM prescriber due to morphine showing up in my urine (they send it to a lab). In addition to my prescribed oxycodone and alprazolam, my UA showed positive for morphine, but not codeine. The codeine cough syrup was not prescription, you just have to show ID and sign for it. I had the flue with a hacking, unproductive cough, so I drank the entire bottle during the course of a couple of days.With the syrup not being prescription, I thought nothing of it(I know better now). I know that a percentage of codeine is converted back into morphine during metabolization. I also know that codeine, being the pro drug, will generally clear your system faster and that morphine can hang around longer. Could this be why my UA drug screen, using GS/MS at the lab, showed morphine, but no codeine? What percentage of codeineis metabolized into morphine?
I am waiting for an appointment with a pain management clinic, and I want the doctor to know he can trust me and that I am being truthful. As chronic PM patients, we are so unfairly stigmatized, I don't want this new doctor to refuse to take me as a patient, or refuse to prescribe me my dose of oxycodone that I have been on for years. Life has been hell on Earth since being discharged and I don't want to be refused a working medication at the dose that was effective for me. Can someone please answer my question and provide some insight? I have always been a compliant, trouble-free patient, and I take my medications as prescribed. Thanks to anyone who answers.