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4%) had levels above normal. Serum angiotensin-converting enzyme level was evaluated in four of sixteen patients (25%), and it was elevated in all four (100%) cases. Four patients received corticosteroids before a diagnosis of histoplasmosis was made, which resulted in rapidly progressive disease and death in two patients. CONCLUSION In patients with granulomatous disorder and hypercalcemia, it is crucial to rule out infectious etiologies before initiating steroids. Histoplasmosis can cause non-parathyroid hormone-mediated hypercalcemia