ICD-10-CM External Cause Index · FY 2026 Letter M
External Cause Index Terms Starting With M ICD-10-CM
The letter M section of the FY 2026 External Cause of Injuries Index carries 16 main terms, from Malfunction to Murder. Terms with a direct code link straight to the code page, cross references point to the main term that holds the codes, and terms with a handful of sub-entries render in full right here. The largest terms open their own full index page.
✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
16
Main Terms
245
Index Entries
6
Direct Codes
4
Cross-refs
- Malfunction (mechanism or component) (of)Sub-entries
- MaltreatmentCross-ref See: Perpetrator
- legal intervention see Legal, intervention, manhandling
- Manslaughter (nonaccidental)Cross-ref See: Assault
- Medical procedure, complication of (delayed or as an abnormal reaction without mention of misadventure)Sub-entries see Complication of or following, by specified type of proceduredue to or as a result of misadventure see Misadventure
- Military operations (injuries to military and civilians occuring during peacetime on military property and during routine military exercises and operations) (by) (from) (involving)Sub-entries Y37.90 Non-billableair blast Y37.20 Non-billableaircraftdestruction see Military operations, destruction of aircraftairway restriction see Military operations, restriction of airways
- Mudslide (of cataclysmic nature)Cross-ref See: Landslide
- Murder (attempt)Cross-ref See: Assault
Related References
Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM External Cause of Injuries Index release files, effective October 1, 2025 through September 30, 2026.
