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ICD-10/V21.31

V21.31 ICD-10-CM Code: Person boarding or alighting an electric (assisted) bicycle injured in collision with pedal cycle

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.

Official Registry Overview & Definition

Person boarding or alighting an electric (assisted) bicycle injured in collision with pedal cycle is a non-billable ICD-10-CM category code (V21.31). A more specific billable subcode must be selected for claims submission.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for V21.31 in the official ICD-10-CM tabular list.

Includes

Conditions the official ICD-10-CM tabular list includes under this code.

  • electric bicycle
  • e-bike
  • e-bicycle
  • moped
  • motorcycle with sidecar
  • motorized bicycle
  • motor scooter

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • three-wheeled motor vehicle (V30-V39)

Frequently Asked Questions (FAQ) & Clinical Guidance

Can V21.31 be billed directly?

No. V21.31 (Person boarding or alighting an electric (assisted) bicycle injured in collision with pedal cycle) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Does V21.31 require a 7th character?

Yes. The appropriate 7th character is to be added to each code from category V21.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to V21.31 in its code family, with their registry titles.

  • 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
  • V21.31XA — 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

View all codes in the V21 family

Indexed As (1)

Circumstance phrases from the official ICD-10-CM External Cause of Injuries Index that map to this code.

  • Accident (to), transport (involving injury to), electricbicyclist (assisted), collision (with), pedal cycle (traffic), while boarding or alighting