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V93.0 vs V93.5

V93.0 (Burn due to localized fire on board watercraft) compared with V93.5 (Explosion on board watercraft), from the official CMS tabular data.

Current data releases:ICD-10-CM FY2027 · ICD-10-PCS FY2027 · HCPCS October 2026 · MS-DRG v44 · Medicare Code Editor v44.0 · NCCI PTP Q4 2026 · MUE Q4 2026 · NCD code lists 2026-01 · LCD export September 28, 2026 · All releases and sources

Summary

These codes can be reported together when both conditions are documented, because V93.5 lists V93.0 under Excludes2, which marks them as distinct conditions.

Official rule
What is different?

Title wording.The titles share “on board watercraft”; V93.0 says “Burn due to localized fire” where V93.5 says “Explosion”.

Registry fact

Can these codes be reported together?

Yes, when both are documented.V93.5 lists V93.0 under Excludes2: “fire on board watercraft (V93.0-)”. Excludes2 marks distinct conditions that may both be reported when both are documented.

Official ruleGuide: Excludes1 vs Excludes2

Is there an Excludes2 relationship?

Yes.V93.5’s tabular entry: “fire on board watercraft (V93.0-)”. The note covers V93.0.

Official ruleGuide: Excludes1 vs Excludes2

Is one a parent or header code?

Both are headers.Both are non-billable headers, and neither contains the other.

Registry fact

Nothing found in 4 other checks
Is there an Excludes1 relationship?

None.Neither entry carries an Excludes1 note that names the other code. V93.0 carries 4 Excludes1 notes and V93.5 carries 3 Excludes1 notes covering other codes; the side-by-side table quotes them.

Official rule

Is one more specific?

No.Neither is a subdivision of the other, and neither title is the unspecified form; they describe different conditions within category V93.

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

V93.5
Explosion on board watercraft
↔
V93.0
Burn due to localized fire on board watercraft

What we found

Yes, when both are documented.V93.5 carries an Excludes2 note covering V93.0: “fire on board watercraft (V93.0-)”

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 FY2027

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

Similar descriptions do not make codes interchangeable. The documentation and the official instructions decide which code applies.

Official descriptionDiffers
V93.0

Burn due to localized fire on board watercraft

V93.5

Explosion on board watercraft

StatusDiffers
V93.0
Non-billable header

A header is not reported on a claim; a code beneath it is.

Report instead: V93.00XA, V93.00XD, V93.00XS, V93.01XA, V93.01XD

V93.5
Non-billable header

A header is not reported on a claim; a code beneath it is.

Report instead: V93.50XA, V93.50XD, V93.50XS, V93.51XA, V93.51XD

Excludes1Differs
Only at V93.0
  • burn due to watercraft on fire (V91.0-)
Only at V93.5

No note of its own beyond the shared notes

Shared by both codes (3 notes)
  • civilian water transport accident involving military watercraft (V94.81-)
  • other injury due to accident to watercraft (V91.-)
  • military watercraft accident in military or war operations (Y36, Y37.-)
Excludes2Differs
Only at V93.0

No note of its own beyond the shared notes

Only at V93.5
  • fire on board watercraft (V93.0-)
Shared by both codes (1 note)
  • drowning and submersion due to accident on board watercraft, without accident to watercraft (V92.-)
CategorySame for both

V93 Other injury due to accident on board watercraft, without accident to watercraft

ChapterSame for both

V00-Y99 — External Causes of Morbidity (V00-Y99)

IncludesDiffers
V93.0

None at this code

V93.5
  • Boiler explosion on steamship
7th characterSame for both
  • The appropriate 7th character is to be added to each code from category V93

No Code first, Use additional code and Code also note at either code.

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. In a row that differs, each code’s own notes are listed under it, and the notes every code shares are listed once beneath them.

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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