Disease

Recommended Laboratory Tests

Cushing’s disease

Electrolytes, 24-hour urinary cortisol

Hyperthyroidism

Thyroid-stimulating hormone, thyroxine levels

Hypogonadism (men only)

Bioavailable testosterone

Multiple myeloma

Complete blood cell count, serum electrophoresis, urine electrophoresis

Osteomalacia

Alkaline phosphatase, 25(OH)D

Paget’s disease

Alkaline phosphatase

Primary hyperparathyroidism

Calcium, parathyroid hormone levels