G59Billable
Mononeuropathy in diseases classified elsewhere
- Chapter
- 6. Diseases of the nervous system
- Category
- G59
- Effective date
- October 1, 2026
Frequently asked questions
What is ICD-10 code G59?
G59 is an ICD-10-CM diagnosis code for Mononeuropathy in diseases classified elsewhere.
Is G59 a billable code?
Yes. G59 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is G59 in?
G59 falls under Chapter 6: Diseases of the nervous system.
When did G59 become effective?
G59 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.