The main role of the kidneys is to filter waste products from the blood before converting them into urine. They’re located on either side of the body, just beneath the ribcage. The kidneys are 2 bean-shaped organs, the size of your fist. Read more about diagnosing chronic kidney disease Why does it happen? Screening may be recommended if you have: If you’re at a high risk of developing CKD, you may be screened annually. Read more about the symptoms of chronic kidney disease Diagnosing chronic kidney diseaseĬhronic kidney disease is most frequently diagnosed through blood and urine tests. swollen ankles, feet or hands (due to water retention).The main symptoms of advanced kidney disease include: It’s usually detected at earlier stages by blood and urine tests. Chronic kidney disease (CKD) is a long-term condition where the kidneys do not work effectively.ĬKD does not usually cause symptoms until it reaches an advanced stage.