ICD-10-CM > V00-Y99 > V80-V89 > V81 > V81.9 V81.9 Occupant of railway train or railway vehicle injured in unspecified railway accident Non-Billable/Non-Specific Applicable To Railway accident NOS Codes V81.9XXA..., initial encounterV81.9XXD..., subsequent encounterV81.9XXS..., sequela