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ICDMine.com › Browse ICD-10-CM Codes › Ch. 4: Endocrine, nutritional and metabolic diseases (E00-E89) › Disorders of other endocrine glands (E20-E35) › E21 Hyperparathyroidism and other disorders of parathyroid gland › E21.1

E21.1Secondary hyperparathyroidism, not elsewhere classified

ICD-10-CM billable/specific code — part of Disorders of other endocrine glands (E20-E35)

Code Details

BillableYes
ChapterChapter 4: Endocrine, nutritional and metabolic diseases (E00-E89)
SectionDisorders of other endocrine glands (E20-E35)
Parent codeE21 — Hyperparathyroidism and other disorders of parathyroid gland

Coding Notes

Excludes1 (never code both together)

  • secondary hyperparathyroidism of renal origin (N25.81)
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