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E83.5

E83.5: Disorders of calcium metabolism

Non-billable headerICD-10-CM

E83.5 is a non-billable header ICD-10-CM code for disorders of calcium metabolism. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • 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 the categories above E83.5

A category’s note binds every code beneath it.

Written on E83: Disorders of mineral metabolism

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

Other codes that can never be billed with E83.5

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • E58Dietary calcium deficiency
  • E61Deficiency of other nutrient elements
  • N20Calculus of kidney and ureter
  • R79.0Abnormal level of blood mineral

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead E83.5

4 child codes. Green means billable.

Other codes under E83

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.