Other relevant tests with respect to hypercalcemia were, normal renal function tests (blood urea nitrogen 18 mg/dl, normal 7–25; creatinine 0.9 mg/dl, normal 0.7–1.4; phosphorous 3.9 mg/dl, normal 2.5–4.5; magnesium 1.8 mg/dl, 1.7–2.5) and normal intact parathyroid hormone (PTH) levels (33 pg/ml, normal 10 – 69). This evidence concerns the gene PTH and hypercalcemia disease.