Subchapter I. Chemical Testing. § 50–1901. Definitions. § 50–1902. Implied consent to blood-alcohol content or blood-drug content tests; administration; accidents. [Repealed] § 50–1903. Blood tests; medical professional to withdraw blood. § 50–1904. Availability of chemical test results. § 50–1904.01. Preliminary breath test. § 50–1904.02. Chemical testing after arrest.