N25.81: Secondary hyperparathyroidism of renal origin
N25.81 is the billable ICD-10-CM diagnosis code for Secondary hyperparathyroidism of renal origin. 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 N25.81?
N25.81 is the ICD-10-CM diagnosis code for Secondary hyperparathyroidism of renal origin. It belongs to category N25 (Disorders resulting from impaired renal tubular function).
Is N25.81 a billable code?
Yes. N25.81 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 N25.81 belong to?
N25.81 is part of ICD-10-CM category N25 — Disorders resulting from impaired renal tubular function, which has 10 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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