(a) Medication or drug testing performed on a race animal under this subtitle must be conducted by:
(1) the Texas A&M Veterinary Medical Diagnostic Laboratory; or
(2) a laboratory operated by or in conjunction with or by a private or public agency selected by the commission after consultation with the Texas A&M Veterinary Medical Diagnostic Laboratory.
(b) Medication or drug testing performed on a human under this subtitle must be conducted by a laboratory approved by the commission.