A first - morning urine sample should be obtained and refrigerated until the blood collection appointment. (vitalitypetcare.com)
In earlier stages of the disease, checking a drop of early - morning urine for its specific gravity is a simple, easily - performed, home test as well. (2ndchance.info)
Check first morning urine pH to assess net acid excess (NAE) and clinically evaluate metabolic acidosis. (chelation.me)