Okla. Stat. tit. 63, § 63-1-405
Freedom to choose treatment
Nothing in this article shall be construed or operate to empower
or authorize the State Commissioner of Health, or any local health
officer, or his representative, to restrict in any manner the
individual's right to select the mode of treatment of his choice nor
to require any physical examination of a patient who in good faith
relies upon spiritual means or prayer for healing.