How does the doctor check for calcium deficiency

Patient: How does the doctor check for calcium deficiency. I have very sharp pain in upper inner thigh that comes and goes. Especially when I’m sitting down.

Doctor: Hi,Thanks for the query.I understand your concern.Calcium deficiency can be identifiedaccording to clinical symptoms,by checking the serum calcium levels, bone mineral density etc.As you are having severe pain, better to get evaluated.By clinical examination and by above mentioned investigations your problem can be identified and treated.Hope this helps.Take care.