Congenital malformations, deformities, and chromosomal abnormalities (Q00-Q99).
- Crux varum congenitum and tibia vara; both usually unilateral, in contrast to rickets
Endocrine, nutritional, and metabolic diseases (E00-E90).
- Calcipenic rickets [due todecreased serum calcium → elevated parathyroid hormone]
- Hypophosphatasia (HPP; synonyms: Rathbun syndrome, phosphatase deficiency rickets; phosphatase deficiency rickets) – rare, genetic, currently incurable bone metabolism disorder manifesting primarily in skeletal structure; defective bone and tooth mineralization, premature loss of deciduous and permanent teeth.
- Phosphopenic rickets [due tonormal serum calcium → parathyroid hormone normal]
- Tumor rickets
Mouth, esophagus (food pipe), stomach and intestine (K00-K67; K90-K93).
- Celiac disease (gluten-induced enteropathy) – chronic disease of the mucosa of the small intestine (small intestinal mucosa) due to hypersensitivity to the cereal protein gluten.
Neoplasms (C00-D48)
- Bone metastases (daughter tumors of a cancer).
- Monoclonal gammopathy – disease associated with an increase in monoclonal immunoglobulins or their parts (light or heavy chains) within the gamma fraction of serum proteins.
- Monoclonal Gammopathy of Unclear Significance (MGUS).
- Plasmocytoma (multiple myeloma) – malignant (malignant) systemic disease that is one of the non-Hodgkin’s lymphomas of B lymphocytes.