> [!info] Personal working space > This is my personal working space. The final version of this page is at: > https://atharkhan.com/glossary/urine-test/ Distinguish a routine urinalysis from a drug screen designed to detect particular substances. A result requires context. ## Working notes [[Cal. Fam. Code § 3041.5]] governs specified court-ordered testing in custody and visitation cases. It requires evidence of the statutory grounds, the least intrusive method, and the required testing standards. The statute protects confidentiality and permits a hearing to challenge a positive result. A positive test alone does not determine custody. > [!warning] Interpretation > Consider the substance tested, medication, confirmation testing, and all relevant best-interest factors.