The discovery of the MDR1 mutation in dogs, establishment of genotyping procedures, development of all reagents, and research into specific problem drugs was made or conducted by Washington State University. It is a patent-protected diagnostic test. Washington State University is the only entity licensed to perform stand-alone MDR1 genotyping in the United States and Mars Veterinary is the only entity licensed to perform MDR1 genotyping in conjunction with breed analysis and genetic screening for multiple diseases and traits in the United States.
Unless testing is conducted by Washington State University's Veterinary Clinical Pharmacology Laboratory or its licensee Mars Veterinary, Washington State University cannot control quality and accuracy of results. Consumers may risk receiving inaccurate results.