V66.4XXS is the authoritative medical code for Person boarding or alighting a heavy transport vehicle injured in collision with other nonmotor vehicle, sequela. This classification is used in medical billing and clinical recording to specify the clinical criteria for person boarding or alighting a heavy transport vehicle injured in collision with other nonmotor vehicle, sequela (ICD-10-CM V66.4XXS), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Person boarding or alighting a heavy transport vehicle injured in collision with other nonmotor vehicle, sequela is a billable ICD-10-CM diagnosis code V66.4S. Includes: collision with animal-drawn vehicle, animal being ridden, streetcar; 18 wheeler; armored car; panel truck. Excludes1 (not coded here): bus; motorcoach. 7th character: The appropriate 7th character is to be added to each code from category V66.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for V66.4XXS in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- collision with animal-drawn vehicle, animal being ridden, streetcar
- 18 wheeler
- armored car
- panel truck
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
Frequently Asked Questions (FAQ) & Clinical Guidance
Does V66.4XXS require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category V66.
What can't be coded together with V66.4XXS?
Per official ICD-10-CM Excludes1 instructions, V66.4XXS must not be reported together with: bus; motorcoach.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to V66.4XXS in its code family, with their registry titles.
- V66 — Occupant of heavy transport vehicle injured in collision with other nonmotor vehicle
- V66.0 — Driver of heavy transport vehicle injured in collision with other nonmotor vehicle in nontraffic accident
- V66.0XXA — Driver of heavy transport vehicle injured in collision with other nonmotor vehicle in nontraffic accident, initial encounter
- V66.0XXD — Driver of heavy transport vehicle injured in collision with other nonmotor vehicle in nontraffic accident, subsequent encounter
- V66.0XXS — Driver of heavy transport vehicle injured in collision with other nonmotor vehicle in nontraffic accident, sequela
- V66.1 — Passenger in heavy transport vehicle injured in collision with other nonmotor vehicle in nontraffic accident
- V66.1XXA — Passenger in heavy transport vehicle injured in collision with other nonmotor vehicle in nontraffic accident, initial encounter
- V66.1XXD — Passenger in heavy transport vehicle injured in collision with other nonmotor vehicle in nontraffic accident, subsequent encounter
- V66.1XXS — Passenger in heavy transport vehicle injured in collision with other nonmotor vehicle in nontraffic accident, sequela
- V66.2 — Person on outside of heavy transport vehicle injured in collision with other nonmotor vehicle in nontraffic accident
View all 36 codes in the V66 family