(a) A physician, a registered nurse, or other person who, on the order of a physician, instructs a midwife in the approved techniques for collecting blood specimens to be used for newborn screening tests is immune from liability arising out of the failure or refusal of the midwife to:
(1) collect the specimens in the approved manner; or
(2) submit the specimens to the Department of State Health Services in a timely manner.
(b) A physician who issues an order directing or instructing a midwife is immune from liability arising out of the failure or refusal of the midwife to comply with the order if, before the issuance of the order, the midwife provided the physician with evidence satisfactory to the department of compliance with this chapter.