Vitamin D in CKD — RACP Adult Medicine MCQ

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ModerateNephrologyVitamin D in CKDRACP Adult Medicine

A 68-year-old man with CKD 4 has 25-OH vitamin D of 25 nmol/L, elevated PTH, high phosphate. What vitamin D preparation for replacement?

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Correct answer: A — Cholecalciferol (vitamin D3)

Correct 25-OH vitamin D deficiency with cholecalciferol FIRST. Active vitamin D (calcitriol) reserved for persistent HPT after 25-OH D is replete.

Reference: KDIGO – 2024 – CKD-MBD; KHA-CARI – 2013