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ICD-10-CM category

E22: Hyperfunction of pituitary gland

5 subcodes · 5 billable · Look up any code with the ICD-10 search

Codes under E22 (Hyperfunction of pituitary gland). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

CodeDescriptionBillable
E22.0Acromegaly and pituitary gigantism✓
E22.1Hyperprolactinemia✓
E22.2Syndrome of inappropriate secretion of antidiuretic hormone✓
E22.8Other hyperfunction of pituitary gland✓
E22.9Hyperfunction of pituitary gland, unspecified✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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