V21.9Motorcycle rider injured in collision with pedal cycle, unspecified motorcycle rider injured in traffic accident
Code usage status
Primary diagnosis
Must not be used as the primary diagnosis
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Complete code in the classification
Use when the diagnosis matches and no exclusion applies.
- Group V01-X59
- Accidents
- Official Vietnamese name
- Người đi xe máy 2 bánh bị thương khi va chạm với xe đạp, không xác định được vai trò của người bị thương trong tai nạn giao thông
Related V21 codes
V21
Motorcycle rider injured in collision with pedal cycle
V21.0
Motorcycle rider injured in collision with pedal cycle, driver injured in nontraffic accident
V21.1
Motorcycle rider injured in collision with pedal cycle, passenger injured in nontraffic accident
V21.2
Motorcycle rider injured in collision with pedal cycle, unspecified motorcycle rider injured in nontraffic accident
V21.3
Motorcycle rider injured in collision with pedal cycle, person injured while boarding or alighting
V21.4
Motorcycle rider injured in collision with pedal cycle, driver injured in traffic accident
V21.5
Motorcycle rider injured in collision with pedal cycle, passenger injured in traffic accident
Clinical record checklist
View coding guide →- Confirm that the code matches the final documented diagnosis.
- Use one primary-diagnosis code and record only relevant additional conditions.
- Review Ministry indicators, inclusions, exclusions and notes.
- Do not infer a diagnosis beyond the clinical record.
2026 regulatory basis
Indicators are taken from columns 24–29 of the classification accompanying Circular 06/2026/TT-BYT, cross-referenced with Decision 1849/QĐ-BYT and Official Dispatch 4059/BYT-BH.