PTH and chronic kidney disease: Our findings that reveal significant albuminuria, elevation of serum PTH and hepcidin concomitant with normal levels of serum phosphate and iron also substantiate this premise as derangements in serum iron and phosphate levels are only seen in advanced CKD (CKD IV, CKD V, and ESKD) (Zaritsky et al., 2009; Lee et al., 2017).