Wallach's Interpretation of Diagnostic Tests: Pathways to Arriving at a Clinical Diagnosis (1298 page)

   Diagnosis of vitamin D deficiency

   Differential diagnosis of causes of rickets and osteomalacia

   Monitoring vitamin D replacement therapy

   Diagnosis of hypervitaminosis D

   Interpretation

Increased In

   Vitamin D intoxication

   Excessive exposure to sunlight

Decreased In

   Malabsorption

   Steatorrhea

   Dietary osteomalacia, anticonvulsant osteomalacia

   Biliary and portal cirrhosis

   Thyrotoxicosis

   Pancreatic insufficiency

   Celiac disease