• Diffuse bone pain, especially in the hips
• Muscle weakness
• Bone fractures with minimal trauma

Symptoms associated with low calcium including:

• Numbness around the mouth
• Numbness of extremities
• Spasms of hands or feet
• Abnormal heart rhythms

• A bone biopsy shows osteomalacia.
• Serum vitamin D level may be low.
• Serum calcium levels vary with the cause of the disorder.
• Serum phosphate levels vary with the cause of the disorder.
• A bone X-ray may show features of osteomalacia.
• a bone mineral density scan (DEXA) may show reduced bone mineral density

Other tests may be done to determine renal problems or other underlying disorders. They include:

• PTH
• Calcium (ionized)
• ALP (alkaline phosphatase) isoenzyme