S.D. Codified Laws § 26-8A-36
A health care practitioner or any other medical personnel administering a toxicology test to determine the presence of a controlled substance in a newborn infant at birth or during the first twenty-eight days after birth and the employer of the person administering the test are immune from civil or criminal liability arising from administration of the test if the health care practitioner ordering the test believes in good faith that the test is permitted under this section and if the test is administered in accordance with an established protocol and reasonable medical practice.
If a health care practitioner or any other medical personnel determines in good faith not to administer a toxicology test under this section, the person making the determination and the person's employer are immune from civil or criminal liability arising from not administering the test.
SDCL 26-8A-36