A 61-year-old woman with long-standing hypertension and diabetes has eGFR 52 mL/min/1.73 m2 (confirmed), UACR 18 mg/g, and no hematuria. Creatinine-ba...

Question

A 61-year-old woman with long-standing hypertension and diabetes has eGFR 52 mL/min/1.73 m2 (confirmed), UACR 18 mg/g, and no hematuria. Creatinine-based eGFR is borderline stage G3a. According to current guidance, what refinement is recommended to confirm CKD classification and risk?

Accepted Answer

Order serum cystatin C to calculate eGFRcr-cys for confirmation

Answer

No further testing; classify CKD based on eGFRcr alone

Answer

Kidney biopsy to assess fibrosis

Answer

Start dialysis education now

Answer

Renal ultrasound immediately to assess obstruction

us-usmle-step-2 MCQ (SBA): Chronic Kidney Disease

A 61-year-old woman with long-standing hypertension and diabetes has eGFR 52 mL/min/1.73 m2 (confirmed), UACR 18 mg/g, and no hematuria. Creatinine-based eGFR is borderline stage G3a. According to current guidance, what refinement is recommended to confirm CKD classification and risk?