Table 16.
Complete blood cell count |
Serum chemistry, including calcium, phosphorus, total protein, albumin, liver enzymes, alkaline phosphatase, creatinine, and electrolytes |
Urinalysis (24-h collection) for calcium, sodium, and creatinine excretion (to identify calcium malabsorption or hypercalciuria) |
Serum 25-hydroxyvitamin D |