V18.4XXA Pedal cycle driver injured in noncollision transport accident in traffic accident, initial encounter

ICD-10-CM Code V18.4XXA: Pedal Cycle Driver Injured in Noncollision Transport Accident in Traffic, Initial Encounter

ICD-10-CM code V18.4XXA is an active terminology concept representing a pedal cycle driver injured in a noncollision transport accident in traffic during an initial encounter. This injury or poisoning concept is nested under the parent category V18.4 and applies to road transport vehicles operated solely by pedals. 1 2 3

Plain-language overview

Code V18.4XXA is an active terminology concept representing an injury or poisoning event specifically involving a pedal cycle driver during an initial encounter for a noncollision traffic transport accident. 1

What this code represents

The official preferred name for V18.4XXA is pedal cycle driver injured in noncollision transport accident in traffic accident, initial encounter, and the concept holds an active record status. 1

This specific diagnosis concept is structurally nested within the parent concept V18.4, which broadly covers pedal cycle drivers injured in noncollision transport accidents in traffic without specifying the encounter. 1

Coding details

In transport accident coding, the letter V designates transport accidents, the second character identifies the victim's mode of transport, and the fourth character specifies the victim's activity and traffic status. 2

A pedal cycle is defined as any road transport vehicle operated solely by pedals, and Medicare billing guidance lists a separate code for electric assisted bicycle drivers. 3 4

Documentation considerations

The official terminology for V18.4XXA explicitly identifies the victim as a pedal cycle driver involved in a noncollision traffic accident, providing specific details for coding this initial encounter. 1

The code V18.4XXA includes the character A and the phrase initial encounter in its official preferred name and published abbreviation, distinguishing it from other encounter characters. 1

What the sources add

While terminology records define the clinical meaning of V18.4XXA, Medicare billing guidance establishes that payer records require the specific date of incident for automobile wrecks or other accidents involving injured parties. 1 6

Terminology records define V18.4XXA for pedal cycle drivers with an initial encounter character, whereas Medicare billing guidance lists V28.41XD for electric assisted bicycle drivers with a subsequent encounter character. 1 4

Sources

1. ICD-10-CM V18.4XXA terminology record — National Cancer Institute Enterprise Vocabulary Services; accessed 2026-07-27.
2. The ICD-IO Classifications of Injuries and External Causes ... — cdc.gov; accessed 2026-07-27.
3. ucod.txt — ftp.cdc.gov; accessed 2026-07-27.
4. Article - Billing and Coding: Magnesium (A59186) — cms.gov; accessed 2026-07-27.
5. SEARCH MOP - Section 20 Mortality Surveillance — repository.niddk.nih.gov; accessed 2026-07-27.
6. NGHP User Guide - Chapter V - Appendices v6.6 ... — cms.gov; accessed 2026-07-27.