New York Consolidated Laws, Family Court Act - FCT § 1038-a. Discovery;  upon court order

Upon motion of a petitioner or attorney for the child, the court may order a respondent to provide nontestimonial evidence, only if the court finds probable cause that the evidence is reasonably related to establishing the allegations in a petition filed pursuant to this article.  Such order may include, but not be limited to, provision for the taking of samples of blood, urine, hair or other materials from the respondent's body in a manner not involving an unreasonable intrusion or risk of serious physical injury to the respondent.