Patient laboratory testing on presentation
| Levels | Results | Reference Range |
|---|---|---|
| Total serum calcium | 9.0 | 8.8–10.2 mg/dL |
| Albumin | 4.4 | 3.5–5.0 g/dL |
| Phosphorus | 1.5 | 2.5–4.5 mg/dL |
| Magnesium | 2.1 | 1.7–2.3 mg/dL |
| Creatinine | 0.97 | 0.74–1.35 mg/dL |
| Alkaline phosphatase | 102 | 35–104 U/L |
| Parathyroid hormone | 64 | 15–65 pg/mL |
| 25 (hydroxyvitamin) Vitamin D | 83 | 30–50 ng/mL |
| 1, 25 (hydroxyvitamin)2 Vitamin D | 29 | 18–64 pg/mL |
| Intact FGF23 | 82 | ≤59 pg/mL |
| Tubular reabsorption of phosphate | 62% | >85% |