All ICD10 Codes
Chapter 4

E00–E89: Endocrine, Nutritional and Metabolic Diseases

Endocrine, Nutritional and Metabolic Diseases diagnostic classification updated for 2026.

Chapter Instructions

Excludes1(Not coded here. Use a different code.)
  • transitory endocrine and metabolic disorders specific to newborn (P70-P74)
All CodesBillable Only
Internal Codes
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  • E25.8—

    Other adrenogenital disorders

  • E25.9—

    Adrenogenital disorder, unspecified

  • E26—

    Hyperaldosteronism

  • E26.0—

    Primary hyperaldosteronism

  • E26.01—

    Conn's syndrome

  • E26.02—

    Glucocorticoid-remediable aldosteronism

  • E26.09—

    Other primary hyperaldosteronism

  • E26.1—

    Secondary hyperaldosteronism

  • E26.8—

    Other hyperaldosteronism

  • E26.81—

    Bartter's syndrome

  • E26.89—

    Other hyperaldosteronism

  • E26.9—

    Hyperaldosteronism, unspecified

  • E27—

    Other disorders of adrenal gland

  • E27.0—

    Other adrenocortical overactivity

  • E27.1—

    Primary adrenocortical insufficiency

  • E27.2—

    Addisonian crisis

  • E27.3—

    Drug-induced adrenocortical insufficiency

  • E27.4—

    Other and unspecified adrenocortical insufficiency

  • E27.40—

    Unspecified adrenocortical insufficiency

  • E27.49—

    Other adrenocortical insufficiency

  • E27.5—

    Adrenomedullary hyperfunction

  • E27.8—

    Other specified disorders of adrenal gland

  • E27.9—

    Disorder of adrenal gland, unspecified

  • E28—

    Ovarian dysfunction

  • E28.0—

    Estrogen excess

  • E28.1—

    Androgen excess

  • E28.2—

    Polycystic ovarian syndrome

  • E28.3—

    Primary ovarian failure

  • E28.31—

    Premature menopause

  • E28.310—

    Symptomatic premature menopause

  • E28.319—

    Asymptomatic premature menopause

  • E28.39—

    Other primary ovarian failure

  • E28.8—

    Other ovarian dysfunction

  • E28.9—

    Ovarian dysfunction, unspecified

  • E29—

    Testicular dysfunction

  • E29.0—

    Testicular hyperfunction

  • E29.1—

    Testicular hypofunction

  • E29.8—

    Other testicular dysfunction

  • E29.9—

    Testicular dysfunction, unspecified

  • E30—

    Disorders of puberty, not elsewhere classified

  • E30.0—

    Delayed puberty

  • E30.1—

    Precocious puberty

  • E30.8—

    Other disorders of puberty

  • E30.9—

    Disorder of puberty, unspecified

  • E31—

    Polyglandular dysfunction

  • E31.0—

    Autoimmune polyglandular failure

  • E31.1—

    Polyglandular hyperfunction

  • E31.2—

    Multiple endocrine neoplasia [MEN] syndromes

  • E31.20—

    Multiple endocrine neoplasia [MEN] syndrome, unspecified

  • E31.21—

    Multiple endocrine neoplasia [MEN] type I

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