N.Y. Comp. Codes R. & Regs. tit. 10, § 16.25
(a) A medical misadministration shall be the administration of:
(9) a CT scan in which any of the following occur:
(10) a CT scan that results in damage to an organ, organ system or results in hair loss or erythema as determined by a physician.
(b) Records and reports of misadministrations.
(1) Diagnostic misadministrations.
(2) Therapy misadministrations.
(i) When a misadministration described in paragraph (a)(5), (6) or (7) of this section, in which the percentage of error is equal to or less than 20 percent is discovered the licensee or registrant shall immediately investigate the cause and take corrective action; and