CORRECT. This will be the test to rule out granulomatous disease in lungs. Granulomatous diseases cause calcitriol mediated hypercalcemia.
Further investigations
CT scan chest : normal, no lymphadenopathy or lung infiltrates
- Endocrinologist obtains more tests as below-
- Serum and urine electrophoresis : normal
- Angiotensin converting enzyme levels : negative
- Urine Histoplasma antigen: negative
- TB quantiferon: negative
- Serum Fungal antibody panel (aspergillus, blasto, cocci, histoplasm): negative
- Urine analysis : normal
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