Glossary of Diagnoses

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E21 Hyperparathyroidism and other disorders of parathyroid gland

Superordinate classification: E20-E35 Disorders of other endocrine glands

Exclusive: osteomalacia:

• adult (M83.-)
• infantile and juvenile (E55.0)

Subclassification:

• E21.4 Other specified disorders of parathyroid gland
• E21.5 Disorder of parathyroid gland, unspecified
• E21.3 Hyperparathyroidism, unspecified
• E21.2 Other hyperparathyroidism
• E21.1 Secondary hyperparathyroidism, not elsewhere classified
• E21.0 Primary hyperparathyroidism