Initial laboratory tests |
25-hydroxyvitamin D |
Calcium, phosphorus |
Complete blood count |
Complete chemistry profile (including alkaline phosphatase) |
Additional laboratory tests if indicated |
1,25-dihydroxyvitamin D |
24-hour urine for calcium and creatinine |
24-hour urine for free cortisol |
Celiac screen |
COL1A genetic testing for osteogenesis imperfecta |
Erythrocyte sedimentation rate |
Estradiol |
Ferritin |
FSH, LH |
Homocysteine |
Intact PTH |
Iron and total iron binding capacity |
Magnesium |
Prolactin |
Rheumatoid factor |
Serum and urine markers of bone turnover |
Serum protein electrophoresis/urine protein electrophoresis |
Serum tryptase and histamine levels |
Skin biopsy for connective tissue disorders |
Testosterone |
TSH |