At-home dog DNA test kits can range from $75 to $150 for basic breed and health screenings. Advanced health screening options can run $150 to $300. DNA blood tests, available through your veterinarian, can vary in price depending on the specific test. At-home dog DNA test kits can range from $75 to $150 for basic breed and health screenings. Advanced health screening options can run $150 to $300. DNA blood tests, available through your veterinarian, can vary in price depending on the specific test.