Okla. Stat. tit. 10, § 7700-508
A. Subject to subsection B of this section, if a genetic-testing specimen is not available from a man who may be the father of a child, for good cause and under circumstances the court considers to be just, the court may order the following individuals to submit specimens for genetic testing:
Laws 2006, HB 2967, c. 116, § 30, eff. November 1, 2006.