N.Y. Comp. Codes R. & Regs. tit. 10, § 34-2.13
(a) Nothing contained in Public Health Law, section 586 or this Subpart shall be construed to prohibit a clinical laboratory from sending a bill to or receiving payment for clinical laboratory services from the health services purveyor who ordered the clinical laboratory services, provided that:
(5) one of the following situations must apply: