Which metabolites can be expected for hydrocodone on confirmatory urine testing?

The correct answer highlights the metabolites typically detected in the urine testing following hydrocodone use. When hydrocodone is consumed, it undergoes metabolic processes primarily in the liver, which leads to the formation of hydromorphone, a more potent opioid and an active metabolite of hydrocodone.

In confirmatory urine testing, hydromorphone can often be detected alongside hydrocodone itself. This is important in clinical settings to not only confirm the presence of hydrocodone but also to understand the extent of drug metabolism and potential effects on the patient.

While other metabolites may be present with alternative opioids, in the case of hydrocodone specifically, hydromorphone is the expected metabolite. Understanding this metabolic pathway is essential for interpreting urine drug tests accurately, as it has implications for treatment and potential clinical decision-making. This is why the detection of hydromorphone alongside hydrocodone is a significant finding in urine analysis for individuals who have used hydrocodone.