system
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.
user
Causes of Hypocalcemia in a child are-
assistant
The correct answer is  Causes of hypocalcemia 

Hypoparathyroidism
DiGeorge syndrome
PTH receptor defect (pseudohypoparathyroidism)
Magnesium deficiency
Exogenous organic phosphate excess
Vit D difecideciency