V33.9XXS Unspecified occupant of three-wheeled motor vehicle injured in collision with car, pick-up truck or van in traffic accident, sequela

ICD-10-CM Code V33.9XXS: Three-Wheeled Motor Vehicle Accident Sequela

ICD-10-CM code V33.9XXS is an active terminology concept representing a sequela following a traffic accident. It applies to an unspecified occupant of a three-wheeled motor vehicle injured in a collision with a car, pick-up truck, or van. The concept is classified under the semantic type of injury or poisoning. 1 4

Plain-language overview

This code describes a sequela experienced by an unspecified occupant of a three-wheeled motor vehicle after a traffic collision with a car, pick-up truck, or van. 1

What this code represents

The terminology record classifies V33.9XXS with the semantic type of Injury or Poisoning, establishing its clinical classification within the ICD-10-CM system. 1

V33.9XXS is an active concept in the ICD-10-CM version 2026 terminology and has a parent concept designated as V33.9 for the unspecified occupant injury. 1

Coding details

The terminology record for V33.9 includes V33.9XXS and V33.9XXD as related concepts within the same unspecified occupant injury classification category. 4

In the land transport accident matrix, the second character identifies the victim's mode of transport, meaning V3 designates an occupant of a three-wheeled motor vehicle. 2

Documentation considerations

The fourth character in transport accident categories identifies the victim's activity and whether the event was a traffic or nontraffic accident, such as an unspecified occupant in traffic. 2

Coding instructions for transportation accidents specify that a pick-up truck or van includes farm and utility trucks, expanding the scope of counterpart vehicles. 3

What the sources add

While the National Cancer Institute record provides the exact code hierarchy and semantic type, the CDC classification manual adds operational context by explaining the structural matrix for transport accident categories. 1 2

The CDC instruction manual provides additional rules for classifying accidents as traffic or nontraffic, including instructions to consider accidents involving occupants of motor vehicles as traffic when the place is railroad tracks. 3

Sources

1. ICD-10-CM V33.9XXS 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. Instruction manual 2a — cdc.gov; accessed 2026-07-27.
4. EVS Explore — evsexplore.semantics.cancer.gov; accessed 2026-07-27.
5. SEARCH MOP - Section 20 Mortality Surveillance — repository.niddk.nih.gov; accessed 2026-07-27.