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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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In osteomalacia which of the following biochemical feature is true?
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The correct answer is  In osteomalacia, serum ALP (alkaline phosphatase) levels are raised, 25(OH)D levels are low or undetectable, PTH is elevated, serum calcium and phosphate levels may also be low but normal values do not exclude the diagnosis. Reference : page 1127 Davidson's Principles and practice of Medicine 22nd edition