641—112.6 (135) Exceptions.
	 112.6(1) The requirements of this chapter are not applicable to hospital laboratories which possess select biological agents solely as a result of a patient culture provided that the culture is destroyed within 14 days after referral to and confirmation by the University of Iowa Hygienic Laboratory or other laboratory approved by the council.
	 112.6(2) The requirements of this chapter are not applicable to a person who detects a biological agent in a clinical or environmental sample for the purpose of diagnosing disease, epidemiological surveillance, exposure assessment, reference, verification or proficiency testing, and who discards the agent within 14 calendar days. If a biological agent is kept for more than 14 calendar days, the laboratory shall provide written notice to the department identifying the agent and reason for continued or extended possession.