Hypocalcemia
Hyperparathyroidism
Hypophosphatemia
Malignancy
Nonaccidental trauma (if evidence of multiple acute or healing fractures)
Vitamin A deficiency
Vitamin B deficiencies
Vitamin B1 deficiency (Thiamine)
Beriberi
Wernicke-Korsakoff syndrome
Vitamin B3 deficiency (Pellagra)
Vitamin B9 deficiency (Folate)
Vitamin B7 deficiency (Biotin)
Vitamin B12 deficiency
Vitamin C deficiency (Scurvy)
Vitamin D deficiency<unk> 
Vitamin E deficiency
Vitamin K deficiency
Vitamin B1 deficiency (Thiamine)
Beriberi
Wernicke-Korsakoff syndrome
Vitamin B3 deficiency (Pellagra)
Vitamin B9 deficiency (Folate)
Vitamin B7 deficiency (Biotin)
Vitamin B12 deficiency
Beriberi
Wernicke-Korsakoff syndrome
Rickets
Hypocalcemia
Scurvy
Hyperparathyroidism
Pruritus ani
Hypophosphatemia
Porphyria
Malignancy