Degree of albuminuria is a sensitive parameter to estimate cardiovascular risk and endothelial dysfunction. Large epidemiological studies proved higher amount of protein in the urine in diabetic and hypertensive patients. Measurement of albuminuria is not a part of the daily routine in Hungarian primary care nowadays. Authors used a simple screening tests and confirmed higher incidence of microalbuminuria in patients with diabetes, hypertension, as well in patients with increased waist circumference, especially in women. Authors suggest this screening test to general practitioners and family physicians to use in their daily cardiovascular care and preventive practice.