Urine and blood test. When visiting your primary care doctor, the doctor can perform simple urine and blood test to rule out chronic kidney problems. The doctor can check your urine for protein or your creatinine on your blood tests to rule out kidney problems. Chronic kidney problems occure more commonly in patients with diabetes and hypertension.
Blood test. Combination of abnormal physical findings such as nonpitting edema, hypertension, and anemia plus abnormal blood chemistries (high BUN & creatinine, low calcium and high phosphorus, and acidosis) allows accurate diagnosis.