ICD-10-CM External Cause Index · FY 2026 Letter A
External Cause Index Terms Starting With A ICD-10-CM
The letter A section of the FY 2026 External Cause of Injuries Index carries 22 main terms, from Abandonment NEC to Aviator's disease. 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
22
Main Terms
3,267
Index Entries
9
Direct Codes
7
Cross-refs
- Abandonment (causing exposure to weather conditions) (with intent to injure or kill) NECCode X58 Non-billable
- aircraft (in transit) (powered) see also Accident, transport, aircraftdue to, caused by cataclysm see Forces of nature, by typeanimal-drawn vehicle see Accident, transport, animal-drawn vehicle occupantanimal-rider see Accident, transport, animal-rider
- Adverse effect of drugsCross-ref See: Table of Drugs and Chemicals
- After-effect, lateCross-ref See: Sequelae
- AirSub-entriesblast in war operations see War operations, air blastpressurechange, rapidduring
- Anaphylactic shock, anaphylaxisCross-ref See: Table of Drugs and Chemicals
- Asphyxia, asphyxiationSub-entriesbygas see also Table of Drugs and Chemicalslegal
- AspirationSub-entriesfood (any type) (into respiratory tract) (with asphyxia, obstruction respiratory tract, suffocation) T18 Non-billable see categories T17 andforeign body see Foreign body, aspirationvomitus (with asphyxia, obstruction respiratory tract, suffocation) see Index to Diseases and Injuries, Foreign body, respiratory tract
- Assassination (attempt)Cross-ref See: Assault
- AvalancheCross-ref See: Landslide
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.
