E26: Hyperaldosteronism
Codes under E26 (Hyperaldosteronism). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| E26.0 | Primary hyperaldosteronism | — |
| E26.0 | Primary hyperaldosteronism | — |
| E26.01 | Conn's syndrome | ✓ |
| E26.01 | Conn's syndrome | ✓ |
| E26.1 | Secondary hyperaldosteronism | ✓ |
| E26.1 | Secondary hyperaldosteronism | ✓ |
| E26.02 | Glucocorticoid-remediable aldosteronism | ✓ |
| E26.02 | Glucocorticoid-remediable aldosteronism | ✓ |
| E26.8 | Other hyperaldosteronism | — |
| E26.8 | Other hyperaldosteronism | — |
| E26.09 | Other primary hyperaldosteronism | ✓ |
| E26.09 | Other primary hyperaldosteronism | ✓ |
| E26.9 | Hyperaldosteronism, unspecified | ✓ |
| E26.9 | Hyperaldosteronism, unspecified | ✓ |
| E26.81 | Bartter's syndrome | ✓ |
| E26.81 | Bartter's syndrome | ✓ |
| E26.89 | Other hyperaldosteronism | ✓ |
| E26.89 | Other hyperaldosteronism | ✓ |
Frequently asked questions
What is ICD-10-CM code E26?
E26 is an ICD-10-CM category covering Hyperaldosteronism. It contains 18 more specific diagnosis codes, 14 of which are billable.
Is E26 a billable code?
No — E26 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example E26.0 — Primary hyperaldosteronism). 14 of the 18 codes under E26 are billable.
What codes fall under E26?
E26 includes E26.0, E26.0, E26.01, E26.01, E26.1, plus 13 more. See the full list with descriptions and billable status above.
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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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