N25.81
BillableSecondary hyperparathyroidism of renal origin
N25.81 is the ICD-10-CM code for Secondary hyperparathyroidism of renal origin. It is a billable, specific code valid for reimbursement.
N00-N99 Diseases of the genitourinary system
What this means — in plain language
MedlinePlus · NIHMost people have four pea-sized glands, called parathyroid glands, on the thyroid gland in the neck. Though their names are similar, the thyroid and parathyroid glands are completely different. The parathyroid glands make parathyroid hormone (PTH), which helps your body keep the right balance of calcium and phosphorous. If your parathyroid glands make too much or too little hormone, it disrupts this balance. If they…
Read more about Parathyroid Disorders at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes1 — not coded here
- •secondary hyperparathyroidism, non-renal (E21.1)
Frequently asked questions
- What is ICD-10 code N25.81?
- N25.81 is the ICD-10-CM code for "Secondary hyperparathyroidism of renal origin". It falls under N00-N99 Diseases of the genitourinary system.
- Is N25.81 a billable code?
- Yes — N25.81 is a billable, specific ICD-10-CM code valid for reimbursement.
- What is excluded from N25.81?
- Excludes1 (not coded here): secondary hyperparathyroidism, non-renal (E21.1).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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