N28.81Billable
Hypertrophy of kidney
- Chapter
- 14. Diseases of the genitourinary system
- Category
- N28
- Effective date
- October 1, 2026
Related codes in category N28
N28Oth disorders of kidney and ureter, not elsewhere classifiedN28.0Ischemia and infarction of kidneyYesN28.1Cyst of kidney, acquiredYesN28.8Other specified disorders of kidney and ureterN28.82MegaloureterYesN28.83NephroptosisYesN28.84Pyelitis cysticaYesN28.85Pyeloureteritis cysticaYesN28.86Ureteritis cysticaYesN28.89Other specified disorders of kidney and ureterYesN28.9Disorder of kidney and ureter, unspecifiedYes
Frequently asked questions
What is ICD-10 code N28.81?
N28.81 is an ICD-10-CM diagnosis code for Hypertrophy of kidney.
Is N28.81 a billable code?
Yes. N28.81 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is N28.81 in?
N28.81 falls under Chapter 14: Diseases of the genitourinary system.
When did N28.81 become effective?
N28.81 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to N28.81?
N28.81 belongs to category N28, which includes 11 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.