V46.3 Unspecified car occupant injured in collision with other nonmotor vehicle in nontraffic accident

ICD-10-CM V46.3: Unspecified car occupant injured in collision with other nonmotor vehicle in nontraffic accident

ICD-10-CM code V46.3 designates an injury concept for an unspecified car occupant injured in a collision with another nonmotor vehicle during a nontraffic accident. The code is active and classified under the broader parent category V46. It carries the semantic type of Injury or Poisoning. 1 4

Plain-language overview

Code V46.3 applies to an injury sustained by an unspecified car occupant during a collision with another nonmotor vehicle in a nontraffic accident, based on its official preferred name. 1

What this code represents

The terminology record classifies V46.3 with the semantic type of Injury or Poisoning, establishing its conceptual classification within the ICD-10-CM system. 1 4

The classification manual defines the fourth character as identifying both the activity of the victim and whether the event was a traffic or a nontraffic accident. 2

Coding details

V46.3 has no narrower child concepts, and it rolls up to the parent concept V46 for a car occupant injured in collision with other nonmotor vehicle in the terminology hierarchy. 1

The classification manual uses the third character to identify the victim's counterpart or the circumstances of the accident, such as a collision with another nonmotor vehicle. 2

Documentation considerations

The external cause index lists nonmotor vehicle nontraffic collisions as a specific lookup entry, providing a structural reference for locating relevant transport accident codes. 6

The classification manual outlines a matrix approach where the second character identifies the victim's mode of transport, such as a car occupant, providing structural context for documentation. 2

What the sources add

While the terminology record provides the official code label and hierarchical status, the classification manual adds operational context by explaining how the character positions define the transport mode, counterpart, and accident type. 1 2

Both the National Cancer Institute terminology record and the EVS Explore portal list the identical preferred name and semantic type for V46.3, confirming the code's classification across distinct official vocabulary services. 1 4

Sources

1. ICD-10-CM V46.3 terminology record — National Cancer Institute Enterprise Vocabulary Services; accessed 2026-07-27.
2. The ICD-IO Classifications of Injuries and External Causes ... — cdc.gov; accessed 2026-07-27.
3. ProblemListSubset_2006-04-02.txt — evs.nci.nih.gov; accessed 2026-07-27.
4. EVS Explore — evsexplore.semantics.cancer.gov; accessed 2026-07-27.
5. EVS Explore — evsexplore.semantics.cancer.gov; accessed 2026-07-27.
6. ICD-10-CM External Cause of Injuries Index — ftp.cdc.gov; accessed 2026-07-27.