CKD 3-5 Patients Seen at Recommended Frequency Levels is the percentage of patients aged 18 years and older with a diagnosis for CKD 3-5 that have been seen by the nephrologist or nephrologist's team member in the office setting within the lowest value of the suggested frequency range per the Kidney Disease: Improving Global Outcomes (KDIGO). Rate 1: New CKD stage 3 patients Rate 2: New CKD stage 4 patients Rate 3: New CKD stage 5 patients