G58.9Billable
Mononeuropathy, unspecified
- Chapter
- 6. Diseases of the nervous system
- Category
- G58
- Effective date
- October 1, 2026
Related codes in category G58
Frequently asked questions
What is ICD-10 code G58.9?
G58.9 is an ICD-10-CM diagnosis code for Mononeuropathy, unspecified.
Is G58.9 a billable code?
Yes. G58.9 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is G58.9 in?
G58.9 falls under Chapter 6: Diseases of the nervous system.
When did G58.9 become effective?
G58.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to G58.9?
G58.9 belongs to category G58, which includes 4 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.