ICD-10-CM 2027 diagnosis code

V66Occupant of heavy transport vehicle injured in collision with other nonmotor vehicle

Not billable — use a more specific code

V66 is a header code, so it can't be reported by itself. Choose one of the 9 more specific codes beneath it.Short description: Occupant of hv veh injured in collision w nonmtr vehicle

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About V66

V66 is the ICD-10-CM diagnosis code for occupant of heavy transport vehicle injured in collision with other nonmotor vehicle. It belongs to block V60-V69 (occupant of heavy transport vehicle injured in transport accident) and chapter 20 (external causes of morbidity). It is a header code, so it can't be reported by itself; one of its 9 subcodes must be used instead.

To report this condition, pick the subcode that matches the documentation: V66.0 (accident), V66.1 (accident), V66.2 (accident), V66.3 (accident), V66.4 (vehicle), V66.5 (accident), V66.6 (accident), V66.7 (accident) and 1 more.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Specific codes under V66

Coding notes

IncludesFurther defines the content of the category

collision with animal-drawn vehicle, animal being ridden, streetcar

Notes that apply from higher levels

Instructions written at a parent level also apply to V66.

Broader instructions also apply from V60-V69 Occupant of heavy transport vehicle injured in transport accident and Chapter 20: External causes of morbidity.

Codes whose notes reference V66

V60Excludes1

Code history

2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027

FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
No changes since FY2016.

Common questions about V66

Is V66 billable?: No. V66 is a header code. Report one of its more specific subcodes instead.