May Be Caused by

Acidosis

Acromegaly

Active osteoporosis

Active reconstruction of bone

Adrenal insufficiency

Alkalosis

Bone metastasis

Decreased glomerular filtration rate

Dietary deficiency

Fanconi syndrome

Glomerular failure

Hypercalcemia

Hyperparathyroidism

Hyperthyroidism

Hypervitaminosis D

Hypoalbuminemia

Hypocalcemia

Hypoparathyroidism

Hypophosphatasia

Hypothyroidism

Increased carbohydrate metabolism

Leukemia

Lymphoma

Malabsorption

Malabsorption with reduced calcium absorption from intestine

Metaphyseal chondrodysplasia Jansen type

Milk-alkali syndrome

Multiple endocrine neoplasia syndrome type 1

Multiple myeloma

Normal neonate

Osteomalacia

Pancreatitis

Pregnancy

Pseudohypoparathyroidism

Rapid deossification

Renal osteodystrophy

Renal tubular dysfunction

Reticuloses

Sarcoidosis

Secretion of parathormone-like substance from malignant neoplasm

Uremia

Vitamin D deficiency

Vitamin D-deficient rickets

Vitamin D-resistant rickets

Widespread bone destruction

Williams syndrome