Problem: A 58 y/o HM presents to the AGACNP with a history of hypertension, previous myocardial infarction, chronic kidney disease and diabetes type 1. He denies any drug allergies or any history of drug abuse, but he does endorse cigarette smoking of 2 ppd. His medications include metoprolol 100mg daily, ASA 81 mg daily, candesartan 16 mg/day, and insulin glargine 16 units qHS. Vital signs: BP 192/86, HR 65 bpm, and RR 24 bpm. Laboratory includes albumin/creatinine ration is 450 mg/g, serum creatinine 1.8 mg/dL, and eGFR 40 mL/min/1.73m2. According to the Kidney Disease Improving Global Outcomes (KDIGO) criteria, what stage of CKD is this patient in? Need Assignment Help?