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V01 vs X00.1XXD

V01 (Pedestrian injured in collision with pedal cycle) compared with X00.1XXD (Exposure to smoke in uncontrolled fire in building or structure, subsequent encounter), from the official CMS tabular data.

Summary

These codes can be reported together when both conditions are documented, because X00.1XXD lists V01 under Excludes2, which marks them as distinct conditions.

Official rule
What is different?

The conditions named and billing status.V01 is “Pedestrian injured in collision with pedal cycle”; X00.1XXD is “Exposure to smoke in uncontrolled fire in building or structure, subsequent encounter”. V01 is a non-billable header; X00.1XXD is billable.

Registry fact

Can these codes be reported together?

Yes, when both are documented.X00.1XXD lists V01 under Excludes2: “transport accident (V01-V99)”. Excludes2 marks distinct conditions that may both be reported when both are documented.

Official ruleGuide: Excludes1 vs Excludes2

Is there an Excludes1 relationship?

None.Neither entry carries an Excludes1 note that names the other code. V01 carries 3 Excludes1 notes and X00.1XXD carries 1 Excludes1 note covering other codes; the side-by-side table quotes them.

Official rule

Is there an Excludes2 relationship?

Yes.X00.1XXD’s tabular entry: “transport accident (V01-V99)”. The note covers V01.

Official ruleGuide: Excludes1 vs Excludes2

Is one more specific?

Not comparable.The codes sit in different categories; specificity is only comparable within one category.

Is one a parent or header code?

One is a header.V01 is a non-billable header, but X00.1XXD is not one of its subdivisions.

Registry fact

Are there sequencing instructions?

None.Neither entry carries a Code First or Use Additional Code note that names the other.

Official rule

Are there other coding relationships?

None found.No laterality, encounter-phase, Table of Neoplasms, Table of Drugs and Chemicals, or history-versus-active-disease relationship links these codes.

MedCoder-derived

Official rule: a tabular instructional note or a section of the ICD-10-CM Official Guidelines, quoted as published. Registry fact: the codes’ own published attributes (titles, billable status, position in the hierarchy, code set). MedCoder-derived: a reading MedCoder computes from those facts; it is not itself a rule. How to read the labels

Can these codes be reported together?

Informational

Excludes2 relationship

X00.1XXD
Exposure to smoke in uncontrolled fire in building or structure, subsequent encounter
↔
V01
Pedestrian injured in collision with pedal cycle

What we found

Yes, when both are documented.X00.1XXD carries an Excludes2 note covering V01: “transport accident (V01-V99)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

What to review

Report both only when the documentation supports both conditions; otherwise report the one documented.

Guide: Excludes1 vs Excludes2Check these on a claim

Why it matters

An Excludes2 note means the excluded condition is not part of the code above it, but a patient can have both. Report both when both are documented.

Source / rule

CMS ICD-10-CM tabular instructional notes

Official guidance behind these answers

  • Section I.A.12.b — Excludes2 · applies to: Excludes2

    A type 2 Excludes note represents “Not included here.” An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.

    ICD-10-CM Official Guidelines FY2026

Quoted from the ICD-10-CM Official Guidelines for Coding and Reporting in effect for the release shown. The tabular notes above are the code-level instruction; these sections are the convention that says how such a note is applied. Source document (CMS PDF) · Release and checksum

Side by side

V01Pedestrian injured in collision with pedal cycleX00.1XXDExposure to smoke in uncontrolled fire in building or structure, subsequent encounter
Billing statusNon-billable header

Report instead: V01.00XA, V01.00XD, V01.00XS, V01.01XA, V01.01XD

Billable
ClassificationV00-Y99 — External Causes of Morbidity (V00-Y99)V00-Y99 — External Causes of Morbidity (V00-Y99)
DefinitionPedestrian injured in collision with pedal cycle is a non-billable ICD-10-CM category code (V01).Exposure to smoke in uncontrolled fire in building or structure, subsequent encounter is a billable ICD-10-CM diagnosis code (X00.1XXD).
7th characterThe appropriate 7th character is to be added to each code from category V01The appropriate 7th character is to be added to each code from category X00
Includes
person changing tire on transport vehicle
person examining engine of vehicle broken down in (on side of) road
conflagration in building or structure
Excludes1
fall due to non-transport collision with other person (W03)
pedestrian on foot falling (slipping) on ice and snow (W00.-)
struck or bumped by another person (W51)
arson (X97)
Excludes2—
Exposure to ignition or melting of nightwear (X05)
Exposure to ignition or melting of other clothing and apparel (X06.-)
Exposure to other specified smoke, fire and flames (X08.-)
explosions (W35-W40)
lightning (T75.0-)
transport accident (V01-V99)
Code first—
any associated cataclysm

Notes are the code’s own tabular entry, quoted as published. A note that names the other code is the one the verdict above rests on.

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Derived from the official CMS ICD-10-CM tabular data (FY2027). A coding-rule comparison, not billing advice: payer-specific edits and medical-necessity policy are outside its scope. All data sources