E26.01: Conn's syndrome
E26.01 is the billable ICD-10-CM diagnosis code for Conn's syndrome. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code E26.01?
E26.01 is the ICD-10-CM diagnosis code for Conn's syndrome. It belongs to category E26 (Hyperaldosteronism).
Is E26.01 a billable code?
Yes. E26.01 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does E26.01 belong to?
E26.01 is part of ICD-10-CM category E26 — Hyperaldosteronism, which has 14 billable codes.
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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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