V45.4 – Person boarding or alighting a car injured in collision with railway train or railway vehicle
ICD-10-CM 2027 diagnosis code · Car occupant injured in transport accident
- Code
V45.4(claims format:V454)- Description
- Person boarding or alighting a car injured in collision with railway train or railway vehicle
- Short description
- Prsn brd/alit a car injured in collision w rail trn/veh
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 20. External causes of morbidity (V00-Y99)
- Block
- V40-V49 Car occupant injured in transport accident
- Parent codes
- V45
Billable codes under V45.4
V45.4 is a header code and cannot be used on claims. Choose the most specific code:
- V45.4XXA – Person boarding or alighting a car injured in collision with railway train or railway vehicle, initial encounterBillable
- V45.4XXD – Person boarding or alighting a car injured in collision with railway train or railway vehicle, subsequent encounterBillable
- V45.4XXS – Person boarding or alighting a car injured in collision with railway train or railway vehicle, sequelaBillable
7th character values
Codes in this category need a 7th character to describe the encounter or episode of care (use placeholder X for empty positions).
| Character | Meaning |
|---|---|
A | initial encounter |
D | subsequent encounter |
S | sequela |
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
V45 – Car occupant injured in collision with railway train or railway vehicle
- The appropriate 7th character is to be added to each code from category V45
Block V40-V49
- a four-wheeled motor vehicle designed primarily for carrying passengers
- automobile (pulling a trailer or camper)
Related codes in V45
- V45.0 – Car driver injured in collision with railway train or railway vehicle in nontraffic accidentHeader
- V45.1 – Car passenger injured in collision with railway train or railway vehicle in nontraffic accidentHeader
- V45.2 – Person on outside of car injured in collision with railway train or railway vehicle in nontraffic accidentHeader
- V45.3 – Unspecified car occupant injured in collision with railway train or railway vehicle in nontraffic accidentHeader
- V45.5 – Car driver injured in collision with railway train or railway vehicle in traffic accidentHeader
- V45.6 – Car passenger injured in collision with railway train or railway vehicle in traffic accidentHeader
- V45.7 – Person on outside of car injured in collision with railway train or railway vehicle in traffic accidentHeader
- V45.9 – Unspecified car occupant injured in collision with railway train or railway vehicle in traffic accidentHeader
Frequently asked questions
What is ICD-10 code V45.4?
V45.4 is the ICD-10-CM code for person boarding or alighting a car injured in collision with railway train or railway vehicle, in the block V40-V49 (Car occupant injured in transport accident).
Is V45.4 a billable code?
No. V45.4 is a header code with more specific child codes; report one of the billable codes listed above.
What category does V45.4 belong to?
It belongs to category V45 – Car occupant injured in collision with railway train or railway vehicle.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.