The Opiates Morphine Test is done to check the presence of morphine in the individual. Opiates are detected through a urine test and their presence can be noticed up to 3 to 4 days after the intake. Apart from the urine test, a blood test can also be performed to detect presence of morphine, but it will last up to 12 hours, while their presence in the hair will be up to 90 days. This is an analgesic drug that will cause severe side effects on the central nervous system, decrease in respiration as well as lower the blood pressure, but it is given during surgeries to reduce the pain.