 The results of the study suggest that measuring both IPTH and 1-84 pth levels can help identify hyperparathyroidism secondary to chronic kidney disease, CKD. However, based on the lower cost and comparable effectiveness of IPTH measurement, it may be comparable to 1-84 pth to predict this outcome. This article was authored by Aria Janabi, Moseded Jabari, and Hossain Zaye.