Anticipated Laboratory Results for Different Causes of Hypercalcemia
Ionized Calcium | Total Calcium | PTH | PTHrP | Phosphorus | Calcidiol | Calcitriol | |
|---|---|---|---|---|---|---|---|
Granulomatous | ↑ | ↑ | ↓N | ↑N | ↑N | N | ↑N |
Osteolytic | ↑ | ↑ | ↓ | ↑N | ↑N | N | N |
PHPT | ↑ | ↑ | ↑N | N | ↓N | N | ↑N |
Vitamin D toxicosis | ↑ | ↑ | ↓ | N | ↑ | N | ↑ |
Addison | ↑ | ↑ | ↓N | N | ↑N | N | ↓N |
Acute renal disease | ↑ | ↑ | ↓N | N | ↑N | N | ↓N |
Chronic renal disease | ↓N | ↑↓N | ↑ | N | ↑N | ↓N | ↓N |
Nutritional | ↓N | ↓N | ↑ | N | ↑N | ↓N | ↓N |
Tertiary HPT | ↑ | ↑ | ↑ | N | ↑ | ↓N | ↓N |
Neoplasia | ↑ | ↑ | ↓N | ↑N | ↓N | N | ↑↓N |
Idiopathic | ↑ | ↑ | ↓N | N | ↑N | ↓N | ↑↓N |
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