N26: Unspecified contracted kidney
Codes under N26 (Unspecified contracted kidney). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| N26.1 | Atrophy of kidney (terminal) | ✓ |
| N26.1 | Atrophy of kidney (terminal) | ✓ |
| N26.2 | Page kidney | ✓ |
| N26.2 | Page kidney | ✓ |
| N26.9 | Renal sclerosis, unspecified | ✓ |
| N26.9 | Renal sclerosis, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code N26?
N26 is an ICD-10-CM category covering Unspecified contracted kidney. It contains 6 more specific diagnosis codes, 6 of which are billable.
Is N26 a billable code?
No — N26 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 N26.1 — Atrophy of kidney (terminal)). 6 of the 6 codes under N26 are billable.
What codes fall under N26?
N26 includes N26.1, N26.1, N26.2, N26.2, N26.9, plus 1 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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