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W30.89XA vs W40.8

W30.89XA (Contact with other specified agricultural machinery, initial encounter) compared with W40.8 (Explosion of other specified explosive materials), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.

Relationship

Conflict

Excludes1 conflict

W30.89XA
Contact with other specified agricultural machinery, initial encounter
↔
W40.8
Explosion of other specified explosive materials

Not coded here — these two are mutually exclusive.

“explosion of grain store (W40.8)”

An Excludes1 note means the two conditions cannot occur together, so the pair should not be reported for the same encounter. The sole exception is when the conditions are documented as unrelated to each other.

Source: CMS ICD-10-CM tabular instructional notes; ICD-10-CM Official Guidelines, Section I.A.12.a

Can these codes be reported together?

No — do not report together. W30.89XA carries an Excludes1 note covering W40.8: “explosion of grain store (W40.8)”

Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

Side by side

W30.89XAContact with other specified agricultural machinery, initial encounterW40.8Explosion of other specified explosive materials
Billing statusBillableNon-billable header
ClassificationV00-Y99 — External Causes of Morbidity (V00-Y99)V00-Y99 — External Causes of Morbidity (V00-Y99)
DefinitionContact with other specified agricultural machinery, initial encounter is a billable ICD-10-CM diagnosis code (W30.89A).Explosion of other specified explosive materials is a non-billable ICD-10-CM category code (W40.8).
7th characterThe appropriate 7th character is to be added to each code from category W30The appropriate 7th character is to be added to each code from category W40
Includes
animal-powered farm machine
Explosion in dump NOS
Explosion in factory NOS
Explosion in grain store
Explosion in munitions
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources