Which diagnostic bloodwork is most suggestive of chronic kidney disease (CKD)? A client with high pH, low levels of calcium, and low levels of phosphate. A client with low vitamin D levels, low calcitriol levels, and elevated parathyroid hormone (PTH) levels. A client with low bone density, low levels of calcium, and low levels of phosphate. A client with low potassium levels, low calcitriol levels, and increased parathyroid hormone (PTH) levels.