Iowa Code § 489.1107

This subchapter does not modify any law applicable to the relationship between an individual practicing a profession and a person receiving professional services, including but not limited to any liability arising out of such practice or any law respecting privileged communications. This subchapter does not modify or affect the ethical standards or standards of conduct of any profession, including but not limited to any standards prohibiting or limiting the practice of the profession by a limited liability company or prohibiting or limiting the practice of two or more professions in combination. All such standards shall apply to the members, managers, employees, and agents through whom a professional limited liability company practices any profession in this state, to the same extent that the standards apply to an individual practitioner.