Q: How are blood and urine tests regulated under DUI laws?
Under California law, blood and urine tests for DUI (Driving Under the Influence) are heavily regulated to ensure the accuracy and reliability of the results. The California Vehicle Code, particularly Section 23612, outlines the procedures for conducting chemical tests, including blood and urine tests. Upon arrest for DUI, law enforcement must offer the suspect the choice between a breath test and a blood test; however, a urine test can be administered under certain circumstances, typically when a blood test is impractical.
For a blood test, specific protocols must be followed, including the use of certified professionals to draw the blood, proper storage, and transportation of the samples to an accredited laboratory for analysis. Blood samples must be taken within two hours of the arrest to be valid for use in court. The results from these tests can be challenged in court based on factors like the methods used for collection and analysis, as well as adherence to established protocols.
Urine tests, while less common, may be utilized when a suspect is unable to provide a blood sample, especially if they are injured or a medical condition exists. However, urine tests are generally considered less reliable than blood tests, and it is important that law enforcement follows specific guidelines for collection and handling to ensure the integrity of the evidence. In any DUI case, the accuracy of the testing and the procedures followed can play a crucial role in the outcome of the case.