N23Billable
Unspecified renal colic
- Chapter
- 14. Diseases of the genitourinary system
- Category
- N23
- Effective date
- October 1, 2026
Frequently asked questions
What is ICD-10 code N23?
N23 is an ICD-10-CM diagnosis code for Unspecified renal colic.
Is N23 a billable code?
Yes. N23 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is N23 in?
N23 falls under Chapter 14: Diseases of the genitourinary system.
When did N23 become effective?
N23 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.