I had my random urine drug test done today. (I am a chronic pain patient. I have transverse myelitis and other spinal issues and am on Roboxin and Oxycodone among other meds) I have not met with my dr yet, but have seen the results. My microalbumin <5 and my ur creatinine 51.4 It said it was unable to calculate the ratio because of the numbers. In 7/2016 they were 5.9 and 123.0 and in 7/2017 they were 11 and 115.1 . What does this mean? Test error or is this really bad or are the numbers good?