ICD-10-CM Book 2025 Edition
Chapters ICD-10-CM Book Table of Content /
E20-E35 Disorders of other endocrine glands /
E21 Hyperparathyroidism and other disorders of parathyroid gland
Billable ICD-10-CM Code E21.2
E21.2
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Other hyperparathyroidism 
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Tertiary hyperparathyroidism
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excludes1
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familial hypocalciuric hypercalcemia (E83.52) |
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