Drug test oxycodone and diamorphine may be tested, both sedative analgesics. If such a test is not requested specifically, the more general test (in the preceding case, the test for opiates) will detect the drugs, but the employer or physician will not have the benefit of the identity of the drug. Employment-related test results are relayed to a medical review office (MRO) where a medical physician reviews the results. If the result of the screen is negative, the MRO informs the employer that the employee has no detectable drug in the urine, typically within 24 hours. However, if the test result of
Analgesic nephropathy other regions the condition persists. Notably, in Belgium, the prevalence of analgesic nephropathy among people having dialysis was 17.9% in 1984 and 15.6% in 1990. Michielsen and de Schepper suggest that analgesic nephropathy persists among people in Belgium having dialysis not due to non-phenacetin analgesics, but because Belgium accepts a higher proportion of elderly people for dialysis. According to these authors, a greater proportion have analgesic nephropathy because a greater percentage of people in Belgium having dialysis have been exposed to long-term use of phenacetin. The term "analgesic nephropathy" usually refers to damage induced by excessive use of combinations of