G58.8 Other specified mononeuropathies
The ICD-10-CM code for Other specified mononeuropathies is G58.8 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- G50-G59: Nerve, nerve root and plexus disorders (G50-G59)
- Category G58
- 5 codes (4 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to G58.8:
- Mononeuropathy › specified NEC
- Neuritis (rheumatoid) › specified nerve NEC
- Mononeuritis › specified NEC
- Neuroma › interdigital
- Neuralgia, neuralgic (acute) › specified nerve NEC
- Disorder (of) › nerve › phrenic
- Disorder (of) › nerve › specified NEC
- Palsy › nerve › specified NEC
U.S. Hospital Utilization
- An estimated 5,465 U.S. inpatient stays in 2023 included G58.8 among the documented diagnoses.
- 390 stays listed it as the principal diagnosis.
Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.
Official Coding Guidelines
Dominant/nondominant side (TOC entry)a. Dominant/nondominant side ................................................................................................. 45
Pain - Category G89 (TOC entry)b. Pain - Category G89.............................................................................................................. 45
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026