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E83.5

⚠ Non-billable (Header)

Disorders of calcium metabolism

Endocrine, nutritional and metabolic diseases (E00-E89)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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❌ Excludes1

direct

Cannot be coded with E83.5

  • • autoimmune hypoparathyroidism (E20.812)
  • • autosomal dominant hypocalcemia (E20.810)
  • • chondrocalcinosis (M11.1-M11.2)
  • • hungry bone syndrome (E83.81)
  • • hyperparathyroidism (E21.0-E21.3)
  • • secondary hypoparathyroidism in diseases classified elsewhere (E20.811)

❌ Excludes1

inherited from E83

Rules from parent category E83: Disorders of mineral metabolism

  • • dietary mineral deficiency (E58-E61)
  • • parathyroid disorders (E20-E21)
  • • vitamin D deficiency (E55.-)

Child Codes (4)

E83.50Unspecified disorder of calcium metabolismE83.51HypocalcemiaE83.52HypercalcemiaE83.59Other disorders of calcium metabolism

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Code Information

CodeE83.5
BillableNo — Header code
ParentE83
CategoryEndocrine, nutritional and metabolic diseases (E00-E89)
Excludes19 rule(s)
Excludes20 note(s)
Child codes4

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)