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). Performance Rate Descriptions: This measure will be calculated with 3 performance rates: Rate 1: Patients 18 years and older with a diagnosis of CKD stage 3, not receiving renal replacement therapy, and had 2 or more office-based encounters in the past 12 months. Rate 2: Patients 18 years and older with a diagnosis of CKD stage 4, not receiving renal replacement therapy, and had 3 or more office-based encounters in the past 12 months. Rate 3: Patients 18 years and older with a diagnosis of CKD stage 5, not receiving renal replacement therapy, and had 8 or more office-based encounters in the past 12 months.