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Mild hypercalcemia — USMLE Step 3 MCQ

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ModerateAmbulatory Medicine / Primary CareMild hypercalcemiaUSMLE Step 3

A 62-year-old woman has calcium of 10.9 mg/dL on two routine chemistry panels. She feels well and has no kidney stones, fractures, constipation, or weight loss. Creatinine is normal. Intact parathyroid hormone is elevated. Which of the following is the most appropriate at this time?

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Reveal the answer and explanation

Correct answer: D — Obtain 24-hour urinary calcium and assess surgical criteria

Primary hyperparathyroidism is likely; evaluation includes urinary calcium and assessment for indications for parathyroidectomy.

Reference: Endocrine Society/AAES primary hyperparathyroidism guidance: https://www.endocrine.org/