Chapter 20

V00–Y99: External Causes of Morbidity

External Causes of Morbidity diagnostic classification updated for 2026.

Internal Codes
  • V20.91

    Unspecified electric (assisted) bicycle rider injured in collision with pedestrian or animal in traffic accident

  • V20.91XA

    Unspecified electric (assisted) bicycle rider injured in collision with pedestrian or animal in traffic accident, initial encounter

  • V20.91XD

    Unspecified electric (assisted) bicycle rider injured in collision with pedestrian or animal in traffic accident, subsequent encounter

  • V20.91XS

    Unspecified electric (assisted) bicycle rider injured in collision with pedestrian or animal in traffic accident, sequela

  • V20.99

    Unspecified rider of other motorcycle injured in collision with pedestrian or animal in traffic accident

  • V20.99XA

    Unspecified rider of other motorcycle injured in collision with pedestrian or animal in traffic accident, initial encounter

  • V20.99XD

    Unspecified rider of other motorcycle injured in collision with pedestrian or animal in traffic accident, subsequent encounter

  • V20.99XS

    Unspecified rider of other motorcycle injured in collision with pedestrian or animal in traffic accident, sequela

  • V21

    Motorcycle rider injured in collision with pedal cycle

  • V21.0

    Motorcycle driver injured in collision with pedal cycle in nontraffic accident

  • V21.01

    Electric (assisted) bicycle driver injured in collision with pedal cycle in nontraffic accident

  • V21.01XA

    Electric (assisted) bicycle driver injured in collision with pedal cycle in nontraffic accident, initial encounter

  • V21.01XD

    Electric (assisted) bicycle driver injured in collision with pedal cycle in nontraffic accident, subsequent encounter

  • V21.01XS

    Electric (assisted) bicycle driver injured in collision with pedal cycle in nontraffic accident, sequela

  • V21.09

    Other motorcycle driver injured in collision with pedal cycle in nontraffic accident

  • V21.09XA

    Other motorcycle driver injured in collision with pedal cycle in nontraffic accident, initial encounter

  • V21.09XD

    Other motorcycle driver injured in collision with pedal cycle in nontraffic accident, subsequent encounter

  • V21.09XS

    Other motorcycle driver injured in collision with pedal cycle in nontraffic accident, sequela

  • V21.1

    Motorcycle passenger injured in collision with pedal cycle in nontraffic accident

  • V21.11

    Electric (assisted) bicycle passenger injured in collision with pedal cycle in nontraffic accident

  • V21.11XA

    Electric (assisted) bicycle passenger injured in collision with pedal cycle in nontraffic accident, initial encounter

  • V21.11XD

    Electric (assisted) bicycle passenger injured in collision with pedal cycle in nontraffic accident, subsequent encounter

  • V21.11XS

    Electric (assisted) bicycle passenger injured in collision with pedal cycle in nontraffic accident, sequela

  • V21.19

    Other motorcycle passenger injured in collision with pedal cycle in nontraffic accident

  • V21.19XA

    Other motorcycle passenger injured in collision with pedal cycle in nontraffic accident, initial encounter

  • V21.19XD

    Other motorcycle passenger injured in collision with pedal cycle in nontraffic accident, subsequent encounter

  • V21.19XS

    Other motorcycle passenger injured in collision with pedal cycle in nontraffic accident, sequela

  • V21.2

    Unspecified motorcycle rider injured in collision with pedal cycle in nontraffic accident

  • V21.21

    Unspecified electric (assisted) bicycle rider injured in collision with pedal cycle in nontraffic accident

  • V21.21XA

    Unspecified electric (assisted) bicycle rider injured in collision with pedal cycle in nontraffic accident, initial encounter

  • V21.21XD

    Unspecified electric (assisted) bicycle rider injured in collision with pedal cycle in nontraffic accident, subsequent encounter

  • V21.21XS

    Unspecified electric (assisted) bicycle rider injured in collision with pedal cycle in nontraffic accident, sequela

  • V21.29

    Unspecified rider of other motorcycle injured in collision with pedal cycle in nontraffic accident

  • V21.29XA

    Unspecified rider of other motorcycle injured in collision with pedal cycle in nontraffic accident, initial encounter

  • V21.29XD

    Unspecified rider of other motorcycle injured in collision with pedal cycle in nontraffic accident, subsequent encounter

  • V21.29XS

    Unspecified rider of other motorcycle injured in collision with pedal cycle in nontraffic accident, sequela

  • V21.3

    Person boarding or alighting a motorcycle injured in collision with pedal cycle

  • V21.31

    Person boarding or alighting an electric (assisted) bicycle injured in collision with pedal cycle

  • V21.31XA

    Person boarding or alighting an electric (assisted) bicycle injured in collision with pedal cycle, initial encounter

  • V21.31XD

    Person boarding or alighting an electric (assisted) bicycle injured in collision with pedal cycle, subsequent encounter

  • V21.31XS

    Person boarding or alighting an electric (assisted) bicycle injured in collision with pedal cycle, sequela

  • V21.39

    Person boarding or alighting other motorcycle injured in collision with pedal cycle

  • V21.39XA

    Person boarding or alighting other motorcycle injured in collision with pedal cycle, initial encounter

  • V21.39XD

    Person boarding or alighting other motorcycle injured in collision with pedal cycle, subsequent encounter

  • V21.39XS

    Person boarding or alighting other motorcycle injured in collision with pedal cycle, sequela

  • V21.4

    Motorcycle driver injured in collision with pedal cycle in traffic accident

  • V21.41

    Electric (assisted) bicycle driver injured in collision with pedal cycle in traffic accident

  • V21.41XA

    Electric (assisted) bicycle driver injured in collision with pedal cycle in traffic accident, initial encounter

  • V21.41XD

    Electric (assisted) bicycle driver injured in collision with pedal cycle in traffic accident, subsequent encounter

  • V21.41XS

    Electric (assisted) bicycle driver injured in collision with pedal cycle in traffic accident, sequela

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