The main term Mononeuritis carries 21 index entries pointing to 17 ICD-10-CM codes. The default entry is G58.9, the code the bare main term maps to; every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.
✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
21
Index Entries
17
Codes Referenced
G58.9
Default Code
M
Letter
21 of 21 shown
ICD-10-CM
Index Entries Under Mononeuritis 21 entries · 17 codes
Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.
G56.1 · ICD-10-CM
Other lesions of median nerve
Non-billable header code: a more specific code below it is reported.