N25.81
N25.81: Secondary hyperparathyroidism of renal origin
Billable / specific codeICD-10-CM
N25.81 is a billable, specific ICD-10-CM code for secondary hyperparathyroidism of renal origin. It is valid for submission on a claim.
Check N25.81 with the rest of the claim: free scrubberExcludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
- secondary hyperparathyroidism, non-renal (E21.1)
Excludes2: not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
Other codes that can never be billed with N25.81
Their own Excludes1 notes name this code, so the conflict is not listed above.
- E21.1Secondary hyperparathyroidism, not elsewhere classified
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
N25.81 is named in 17 Medicare coverage policies: 17 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A55354Billing and Coding: Frequency of Hemodialysis
- A55672Billing and Coding: Frequency of Hemodialysis
- A55675Billing and Coding: Frequency of Hemodialysis
- A55703Billing and Coding: Frequency of Hemodialysis
Alphabetic index entries that lead here
- Hyperparathyroidism›secondary(renal)
Code history
Unchanged in every release from FY2024 to FY2027.