International law. International law is the set of rules generally regarded and accepted as binding in relations between states and between nations. It serves as a framework for the practice of stable and organized international relations.
The exact amount of time that codeine is detectable in urine depends on the amount of codeine a person is taking, what formulation of the drug theyâre using, and how long theyâve used it. Typically, codeine can be detected in urine for only 1 or 2 days.
Due to its short half-life, codeine doesnât stay in the blood long-term. In fact, codeine will typically fall beneath detectable levels after a day. Blood tests will probably only be ordered in situations requiring medical treatment for potential overdose or other adverse effects.