N25Header code — not billable
Disorders resulting from impaired renal tubular function
- Chapter
- 14. Diseases of the genitourinary system
- Category
- N25
- Effective date
- October 1, 2026
Related codes in category N25
N25.0Renal osteodystrophyYesN25.1Nephrogenic diabetes insipidusYesN25.8Oth disorders resulting from impaired renal tubular functionN25.81Secondary hyperparathyroidism of renal originYesN25.89Oth disorders resulting from impaired renal tubular functionYesN25.9Disorder rslt from impaired renal tubular function, unspYes
Frequently asked questions
What is ICD-10 code N25?
N25 is an ICD-10-CM diagnosis code for Disorders resulting from impaired renal tubular function.
Is N25 a billable code?
No. N25 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is N25 in?
N25 falls under Chapter 14: Diseases of the genitourinary system.
When did N25 become effective?
N25 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to N25?
N25 belongs to category N25, which includes 6 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.