2026 ICD-10-CM Diagnosis Code V66Occupant of heavy transport vehicle injured in collision with other nonmotor vehicle

ICD-10-CM Codes›V01–Y99›V00-V99›V66

ICD-10-CM V66
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

V66 is a non-billable ICD-10-CM category code for occupant of heavy transport vehicle injured in collision with other nonmotor vehicle, so it cannot be submitted on claims. Use a more specific code from this category instead, such as V66.0XXA, V66.0XXD, V66.0XXS, and V66.1XXA.

Code Identity

ICD-10-CM Code
V66
Billable Status
No — Non-Billable Category
Code Describes
Occupant of heavy transport vehicle injured in collision with other nonmotor vehicle
Chapter
V00-V99
Transport accidents

Code Classification

ChapterV01–Y99External causes of morbidity and mortality
SectionV00-V99Transport accidents
CategoryV66Occupant of heavy transport vehicle injured in collision with other nonmotor vehicle
This CodeV66Occupant of heavy transport vehicle injured in collision with other nonmotor vehicle

Specific Coding for Occupant of hv veh injured in collision w nonmtr vehicleOverview

Non-specific codes like V66 require more characters. Use one of these billable codes instead:

  • V66.0 for Driver of heavy transport vehicle injured in collision with other nonmotor vehicle in nontraffic accident

  • V66.1 for Passenger in heavy transport vehicle injured in collision with other nonmotor vehicle in nontraffic accident

  • V66.2 for Person on outside of heavy transport vehicle injured in collision with other nonmotor vehicle in nontraffic accident

  • V66.3 for Unspecified occupant of heavy transport vehicle injured in collision with other nonmotor vehicle in nontraffic accident

  • V66.4 for Person boarding or alighting a heavy transport vehicle injured in collision with other nonmotor vehicle

  • V66.5 for Driver of heavy transport vehicle injured in collision with other nonmotor vehicle in traffic accident

  • V66.6 for Passenger in heavy transport vehicle injured in collision with other nonmotor vehicle in traffic accident

  • V66.7 for Person on outside of heavy transport vehicle injured in collision with other nonmotor vehicle in traffic accident

  • V66.9 for Unspecified occupant of heavy transport vehicle injured in collision with other nonmotor vehicle in traffic accident

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Includes

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

7th Character Note

  • The appropriate 7th character is to be added to each code from category V66

7th Character

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About V66Overview

Is V66 a billable code?

No. This is a category header that groups the codes for occupant of heavy transport vehicle injured in collision with other nonmotor vehicle, and headers cannot be submitted on claims. Claims for occupant of heavy transport vehicle injured in collision with other nonmotor vehicle need a more specific code from this category, such as V66.0XXA, V66.0XXD, and V66.0XXS.