Consistently low creatinine on UDS??

I have a patient who was referred by a retiring rheumatologist on 90 MMES morphine. She was consistently short on her morphine and I transitioned to buprenorphine. Since starting buprenorphine every UDS (three times now) has reported abnormal creatinine (“dilute urine. May result in false negative. Possible deliberate diluation.”) Her UDS on her initial visit did not show abnormal creatinine. Could there a physiological reason for this or is she being facitious? I felt I couldn’t definitely... Read more
Source: Student Doctor Network - Category: Universities & Medical Training Authors: Tags: Pain Medicine Source Type: forums