Assault by crashing of motor vehicle (Y03) ICD-10-CM
The Y03 code range covers assault by crashing of motor vehicle with 9 ICD-10-CM diagnosis codes. 6 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
7th Character Note
Certain ICD-10-CM categories have applicable 7th characters. The applicable 7th character is required for all codes within the category, or as the notes in the Tabular List instruct. The 7th character must always be the 7th character in the data field. If a code that requires a 7th character is not 6 characters, a placeholder X must be used to fill in the empty characters.
- The appropriate 7th character is to be added to each code from category Y03
7th Character
Indicates that a seventh character is to be assigned to codes in a subcategory.
- A - initial encounter
- D - subsequent encounter
- S - sequela
Codes in the Y03 Range 9 codes · 6 billable
- Y03 Assault by crashing of motor vehicleNon-billable
- Y03.0 Assault by being hit or run over by motor vehicleNon-billable
- Y03.0XXA Assault by being hit or run over by motor vehicle, initial encounter
- Y03.0XXD Assault by being hit or run over by motor vehicle, subsequent encounter
- Y03.0XXS Assault by being hit or run over by motor vehicle, sequela
- Y03.8 Other assault by crashing of motor vehicleNon-billable
- Y03.8XXA Other assault by crashing of motor vehicle, initial encounter
- Y03.8XXD Other assault by crashing of motor vehicle, subsequent encounter
- Y03.8XXS Other assault by crashing of motor vehicle, sequela
About the Y03 Code Range
The ICD-10 code Y03 series is used specifically to document assaults involving being hit, run over, or otherwise crashed into by a motor vehicle. These codes help classify injuries caused intentionally by such vehicle-related incidents.
This group includes codes like Y03.0, which covers assault by being hit or run over by a motor vehicle, and Y03.8, for other types of assault by crashing of motor vehicle. For precise medical coding, extensions specify the encounter type: Y03.0XXA and Y03.8XXA indicate initial encounters, Y03.0XXD and Y03.8XXD are for subsequent care, and Y03.0XXS and Y03.8XXS denote sequela, or late effects. These codes cover common synonyms such as "assault involving moving vehicles" or "assault by striking with motor vehicle," helping medical coders accurately identify encounters related to intentional injuries caused by motor vehicles. Understanding and using the correct ICD-10 code for assault by crashing of motor vehicle ensures clear documentation and proper classification of these specific external causes of injury.
Questions About This Page
How many billable codes are in the Y03 range?
Of the 9 codes in this range, 6 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the Y03 range classify?
The range classifies assault by crashing of motor vehicle. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
