V34.9 ICD-10-CM Code: Unspecified occupant of three-wheeled motor vehicle injured in collision with heavy transport vehicle or bus in traffic accident
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Coding at a Glance
- 7th character
- Required — see the character table on this page
- Tabular directives
- 3 inclusion terms · 4 Excludes1
Coding instructions
Official Tabular Instructional Notes: the inclusion, exclusion and sequencing notes published for V34.9 in the official ICD-10-CM tabular list, quoted as published.
Notes without a marker are published on V34.9 itself; “inherited from” names the category or block whose note applies here.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- motorized tricycle
- motorized rickshaw
- three-wheeled motor car
Source: inherited from V30-V39
Excludes1 — Not Coded Here
Conditions generally not reported together with this code (Excludes1) -- an error unless the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
- occupant of three-wheeled motor vehicle injured in collision with military vehicle (V39.81) inherited from V34Compare V34.9 vs V39.81 →
- all-terrain vehicles (V86.-) inherited from V30-V39Compare V34.9 vs V86 →
- motorcycle with sidecar (V20-V29) inherited from V30-V39Compare V34.9 vs V20 →
- vehicle designed primarily for off-road use (V86.-) inherited from V30-V39Compare V34.9 vs V86 →
7th Character Guide
"The appropriate 7th character is to be added to each code from category V34"
- A — initial encounter
- D — subsequent encounter
- S — sequela
How the encounter character is assigned. “Initial encounter” means the patient is receiving active treatment for the condition — it is not limited to the first visit, and a different or new provider giving active treatment still assigns it. “Subsequent encounter” covers care during the healing or recovery phase after active treatment. “Sequela” is for complications or conditions that arise as a direct result of the original condition.
ICD-10-CM Official Guidelines for Coding and Reporting, Section I.C.19.a (paraphrased by MedCoder).
Variant codes in this family
Character meanings are CMS's official 7th-character extensions for this family, as carried in each variant code's official description; variant codes are registry rows. The explanation of how the encounter character is assigned is MedCoder editorial, distinct from the official content above it.
Coder workflow for V34.9
MedCoder structured workflow — derived from this code’s own official record
Before you code V34.9
- V34.9 is not reportable as written. Select the more specific code beneath it that the documentation supports. Codes are reported to the highest level of specificity the classification provides (Guidelines I.B.2).
ReviewV34.9XXA, V34.9XXD, V34.9XXS
See the relationships section · Guide: How to choose an ICD-10-CM code →
- Unspecified does not mean incorrect. When the record gives no greater specificity, V34.9 may be the appropriate code. Check the record for detail that supports a more specific sibling — in this subcategory the siblings differ by the presence or absence of the associated condition. An unspecified code is for records that do not provide the detail a more specific code needs; a query, not an assumption, is the route to specificity (Guidelines I.A.9.b, I.B.18).
ReviewV34.0, V34.1, V34.2, V34.4, V34.5, V34.6, V34.7
See the relationships section · Guide: Other vs unspecified (NEC vs NOS) →
- A 7th character is required in this family. Confirm the documented encounter: initial (active treatment), subsequent (healing or recovery phase), or sequela. V34.9 is not valid without one. “Initial” means active treatment, not the first visit (Guidelines I.C.19.a).
See the 7th Character Guide · Guide: 7th characters: initial, subsequent, sequela →
- V34.9’s title joins a condition with an associated condition or complication. Confirm each component is documented. Where the classification presumes the link through the “with” convention, only a provider statement that the conditions are unrelated defeats it. A combination code is assigned only when it fully identifies the documented conditions; a required second code for the stage, type or manifestation is still reported when the notes ask for it (Guidelines I.B.9, I.A.15).
- An external cause code is reported in addition to the code for the injury or condition, never as the principal or first-listed diagnosis. Confirm the cause, intent, place of occurrence, activity and status where the record documents them, and assign the 7th character that matches the injury code. External cause coding guidelines (Guidelines I.C.20.a).
- Check the Excludes1 note: if the documentation supports a condition named there, do not simply proceed with V34.9. Excludes1 conditions are not reported together with this code unless the record shows they are unrelated (Guidelines I.A.12.a).
Choose the right path
- Does the documentation support one of the more specific codes beneath V34.9?
Yes → Select that code and continue the checks below on its own page.
No → V34.9 cannot be reported as written; query for the specificity its subcategory needs. - Does the record document the detail a more specific sibling code needs?
Yes → Review the specific siblings in this subcategory.
No → Continue — V34.9 is appropriate when the documentation goes no further. - Does the documentation support a condition named in V34.9’s Excludes1 note?
Yes → Do not simply proceed: review the excluded code. Both are reported only when the record shows the two conditions are unrelated.
No → Continue. - Is the encounter phase documented — active treatment, healing or recovery, or a sequela?
Yes → Assign the matching 7th character; the variant codes are in the 7th Character Guide.
No → The code is invalid without its 7th character — query for the missing element.
Consider V34.9. Then confirm the code is valid for the date of service in the Verify section.
Documentation check
- The provider’s diagnostic statement
- Codes are assigned from the provider’s documented diagnosis, not from clinical criteria, test values or a medication list (Guidelines I.A.19).
- Encounter type
- Active treatment, healing or recovery phase, or sequela — the basis of the 7th character (Guidelines I.C.19.a).
- The associated condition or complication
- Whether the associated condition the title names is documented; the “with” convention presumes some links, and a provider statement that the conditions are unrelated defeats it (Guidelines I.A.15).
- Any detail beyond this code’s title
- What the record states that a more specific sibling code would capture — or its absence, which itself supports the unspecified code.
Official instructions as workflow
Excludes1 — check before selecting V34.9(4 notes)
Coding workflow: If the documentation supports a condition named in this note, do not simply proceed with V34.9: the two are not reported together. The one exception is when the record shows the two conditions are unrelated to each other.
See the official tabular notes · Guidelines I.A.12.a
Coding decision scenarios
Pattern scenarios for this code’s structure — decision rules, not clinical cases
Documentation: The provider documents the condition in the terms of this code’s title and records no further detail.
Coding question: Is a more specific sibling code supportable?
Path: Review the specific siblings in this subcategory and what each requires the record to state.
Reason: A more specific code needs documentation of the distinguishing element; without it the unspecified code is appropriate, and a provider query is the route to specificity (Guidelines I.A.9.b, I.B.18).
Documentation: Both the condition V34.9 describes and a condition named in its Excludes1 note are documented for the same encounter.
Coding question: Can both codes be reported?
Path: Review the Excludes1 note and the excluded code, and look for a provider statement on whether the two conditions are related.
Reason: Excludes1 means the two are not coded together; the exception is when the record shows the conditions are unrelated to each other (Guidelines I.A.12.a).
Documentation: The patient returns during the healing or recovery phase after active treatment of the same condition.
Coding question: Which 7th character applies?
Path: Review the official 7th-character definitions for this family in the 7th Character Guide.
Reason: “Initial encounter” means active treatment, not the first visit; care during recovery takes “subsequent encounter”, and a complication arising from the original condition takes “sequela” (Guidelines I.C.19.a).
Every row is derived from this code’s own record — its title, tabular notes, 7th-character family and same-category siblings — with fixed MedCoder wording; nothing is inferred about a patient. The official notes and guideline text are in the sections each row links to, and they control.
Code Overview
MedCoder summary Summary composed by MedCoder from this code's official ICD-10-CM record. The tabular instructional notes themselves appear verbatim below.
Indexed As (2)
Official source data — entries quoted as published, in the Index’s own lookup phrasing
Circumstance phrases from the official ICD-10-CM External Cause of Injuries Index that map to this code.
- Accident (to), transport (involving injury to), three-wheeled motor vehicle occupant, collision (with), bus (traffic)
- Accident (to), transport (involving injury to), three-wheeled motor vehicle occupant, collision (with), truck (traffic)
Verify Before Coding
- Not billable as written — a more specific code is required: V34.9XXA, V34.9XXD, V34.9XXS.
- Requires a 7th character. "The appropriate 7th character is to be added to each code from category V34" Options: V34.9XXA, V34.9XXD, V34.9XXS
- Principal-diagnosis restriction. External cause of morbidity codes (V, W, X and Y) describe the circumstance that caused an injury, not the condition treated. The Medicare Code Editor rejects them as a principal diagnosis; sequence the injury or condition first and report this code as secondary.
From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim in Claim Check.
Relationships & Classification
MedCoder structured relationships — computed from published CMS and AHRQ datasets
Other codes that name V34.9 or its code family, from the CMS ICD-10-CM tabular instructional notes. Tabular-note edges are stored at the code family level that carries each note.
Referenced by 12 Excludes1 notes: V20 — Motorcycle rider injured in collision with pedestrian or animal (via V34.-), V20-V29 — Motorcycle rider injured in transport accident (V20-V29) (via V34.-), V21 — Motorcycle rider injured in collision with pedal cycle (via V34.-), V22 — Motorcycle rider injured in collision with two- or three-wheeled motor vehicle (via V34.-), V23 — Motorcycle rider injured in collision with car, pick-up truck or van (via V34.-), V24 — Motorcycle rider injured in collision with heavy transport vehicle or bus (via V34.-), V25 — Motorcycle rider injured in collision with railway train or railway vehicle (via V34.-), V26 — Motorcycle rider injured in collision with other nonmotor vehicle (via V34.-), V27 — Motorcycle rider injured in collision with fixed or stationary object (via V34.-), V28 — Motorcycle rider injured in noncollision transport accident (via V34.-), V29 — Motorcycle rider injured in other and unspecified transport accidents (via V34.-), V86 — Occupant of special all-terrain or other off-road motor vehicle, injured in transport accident (via V34.-).
These codes’ tabular lists mark this diagnosis as mutually exclusive — not reported together unless the conditions are documented as unrelated.
Contextual Map
Every relationship of V34.9 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
Run V34.9 with these 8 related codes in Claim Check
Hierarchy
- V00-Y99 — Chapter 20: External Causes of Morbidity (V00-Y99) (V00-Y99)[Hierarchy]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- V30-V39 — Occupant of three-wheeled motor vehicle injured in transport accident[Hierarchy]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
Referenced by Excludes1 notes (12)
- V20 — Motorcycle rider injured in collision with pedestrian or animal[Excludes1](via V34.-): “three-wheeled motor vehicle (V30-V39)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- V20-V29 — Motorcycle rider injured in transport accident (V20-V29)[Excludes1](via V34.-): “three-wheeled motor vehicle (V30-V39)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- V21 — Motorcycle rider injured in collision with pedal cycle[Excludes1](via V34.-): “three-wheeled motor vehicle (V30-V39)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- V22 — Motorcycle rider injured in collision with two- or three-wheeled motor vehicle[Excludes1](via V34.-): “three-wheeled motor vehicle (V30-V39)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- V23 — Motorcycle rider injured in collision with car, pick-up truck or van[Excludes1](via V34.-): “three-wheeled motor vehicle (V30-V39)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- V24 — Motorcycle rider injured in collision with heavy transport vehicle or bus[Excludes1](via V34.-): “three-wheeled motor vehicle (V30-V39)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- V25 — Motorcycle rider injured in collision with railway train or railway vehicle[Excludes1](via V34.-): “three-wheeled motor vehicle (V30-V39)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- V26 — Motorcycle rider injured in collision with other nonmotor vehicle[Excludes1](via V34.-): “three-wheeled motor vehicle (V30-V39)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- and 4 more
External cause index
- Accident (to), transport (involving injury to), three-wheeled motor vehicle occupant, collision (with), bus (traffic)[External cause term]— CMS External Cause of Injuries Index · icd10cm-fy2026
- Accident (to), transport (involving injury to), three-wheeled motor vehicle occupant, collision (with), truck (traffic)[External cause term]— CMS External Cause of Injuries Index · icd10cm-fy2026
Nearest codes (36)
- V34 — Occupant of three-wheeled motor vehicle injured in collision with heavy transport vehicle or bus[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- V34.0 — Driver of three-wheeled motor vehicle injured in collision with heavy transport vehicle or bus in nontraffic accident[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- V34.0XXA — Driver of three-wheeled motor vehicle injured in collision with heavy transport vehicle or bus in nontraffic accident, initial encounter[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- V34.0XXD — Driver of three-wheeled motor vehicle injured in collision with heavy transport vehicle or bus in nontraffic accident, subsequent encounter[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- V34.0XXS — Driver of three-wheeled motor vehicle injured in collision with heavy transport vehicle or bus in nontraffic accident, sequela[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- V34.1 — Passenger in three-wheeled motor vehicle injured in collision with heavy transport vehicle or bus in nontraffic accident[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- V34.1XXA — Passenger in three-wheeled motor vehicle injured in collision with heavy transport vehicle or bus in nontraffic accident, initial encounter[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- V34.1XXD — Passenger in three-wheeled motor vehicle injured in collision with heavy transport vehicle or bus in nontraffic accident, subsequent encounter[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- and 28 more
Change history
- FY2016 — In the code set at ICD-10-CM adoption [Change history]— CMS release files (code change ledger) · icd10cm-fy2016
Common coding questions
Can V34.9 be billed directly?
No. V34.9 (Unspecified occupant of three-wheeled motor vehicle injured in collision with heavy transport vehicle or bus in traffic accident) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Does V34.9 require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category V34.
Sources for this page
Codes, titles, notes, index terms and mappings on this page are transcribed from the datasets below. Relationships MedCoder computed and text MedCoder wrote are labelled where they appear.
- Code, title, tabular notes and index terms Official source data
- CMS/CDC ICD-10-CM FY2026 tabular list, index and tables, effective October 1, 2025 Release, file and checksum · Publisher’s page
- Claim edits Official source data
- CMS Definitions of Medicare Code Edits — v43.1 (April 2026) Release, file and checksum · Publisher’s page
- Change history and date-of-service validity Official source data
- CMS ICD-10-CM release addenda, ingested release by release into the change ledger Release, file and checksum · Publisher’s page
- Comparisons, relationships and the contextual map MedCoder structured relationship
- Computed by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears
- Summary and FAQ answers MedCoder explanation
- Written by MedCoder to explain the sources above: drafted with AI assistance, checked by a person against the release files, and labelled as MedCoder text where it appears. Not official text.
Labels on this page: Official source data · MedCoder structured relationship · MedCoder explanation. How to read the labels · All data sources and release dates
Change history
- FY2016 — October 1, 2015In the code set at ICD-10-CM adoptionUnspecified occupant of three-wheeled motor vehicle injured in collision with heavy transport vehicle or bus in traffic accident
No changes since FY2016 — additions, deletions, description changes and billable-status changes are tracked through FY2027 (effective October 1, 2026), and none are recorded for this code. Note changes are tracked from FY2027 only.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to V34.9 in its code family, with their registry titles.
- V34.6XXA — Passenger in three-wheeled motor vehicle injured in collision with heavy transport vehicle or bus in traffic accident, initial encounter
- V34.6XXD — Passenger in three-wheeled motor vehicle injured in collision with heavy transport vehicle or bus in traffic accident, subsequent encounter
- V34.6XXS — Passenger in three-wheeled motor vehicle injured in collision with heavy transport vehicle or bus in traffic accident, sequela
- V34.7 — Person on outside of three-wheeled motor vehicle injured in collision with heavy transport vehicle or bus in traffic accident
- V34.7XXA — Person on outside of three-wheeled motor vehicle injured in collision with heavy transport vehicle or bus in traffic accident, initial encounter
- V34.7XXD — Person on outside of three-wheeled motor vehicle injured in collision with heavy transport vehicle or bus in traffic accident, subsequent encounter
- V34.7XXS — Person on outside of three-wheeled motor vehicle injured in collision with heavy transport vehicle or bus in traffic accident, sequela
- V34.9XXA — Unspecified occupant of three-wheeled motor vehicle injured in collision with heavy transport vehicle or bus in traffic accident, initial encounter
- V34.9XXD — Unspecified occupant of three-wheeled motor vehicle injured in collision with heavy transport vehicle or bus in traffic accident, subsequent encounter
- V34.9XXS — Unspecified occupant of three-wheeled motor vehicle injured in collision with heavy transport vehicle or bus in traffic accident, sequela