Missouri Revised Statutes Title XXII. Occupations and Professions § 340.286. Disclosure of information, when required--immunity--waiver of privilege

1. Except as otherwise provided for under section 340.270 or by board rule, no veterinarian licensed under the provisions of sections 340.200 to 340.330 shall be required to disclose any information concerning the veterinarian's care of an animal, except on written authorization or other waiver by the veterinarian's client or on appropriate court order or subpoena or as may be required to ensure compliance with any other federal or state law.

2. Any veterinarian releasing information under written authorization or other waiver by the client or under court order or subpoena shall not be liable to the client or any other person for claims arising as a result of releasing such information.

3. The privilege provided by this section shall be waived to the extent that the owner of the animal places the veterinarian's care and treatment of the animal or the nature and extent of injuries to the animal at issue in any civil or criminal proceeding.