I wish the best for your baby and hope he stays well.
I'm going to have to disagree that the UBAT is not accurate. Studies have shown it to be very accurate.
I hate to see someone not use a test that is so easy to do, and has advantages over SBAT in some cases.
Key is timing to getting the urine sample. 4-8 hours after eating is optimal, so no fasting is wanted.
Dr. Jean Dodds reads these tests if they are sent through to Hemopet. It costs about 45-50 dollars and they fax the report to your vet.
Here is the link to the article with the findings.
http://www.dvmnews.com/dvm/article/a....jsp?id=134764