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Compare/W12 vs X00

W12 vs X00

W12 (Fall on and from scaffolding) compared with X00 (Exposure to uncontrolled fire in building or structure), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. W12 carries an Excludes2 note covering X00: “fall (in) (from) burning building (X00.-)”

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

Yes, when both are documented. W12 carries an Excludes2 note covering X00: “fall into fire (X00-X04, X08)”

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

Side by side

W12Fall on and from scaffoldingX00Exposure to uncontrolled fire in building or structure
Billing statusNon-billable header

Report instead: W12.XXXA, W12.XXXD, W12.XXXS

Non-billable header

Report instead: X00.0XXA, X00.0XXD, X00.0XXS, X00.1XXA, X00.1XXD

ClassificationV00-Y99 — External Causes of Morbidity (V00-Y99)V00-Y99 — External Causes of Morbidity (V00-Y99)
DefinitionFall on and from scaffolding is a non-billable ICD-10-CM category code (W12).Exposure to uncontrolled fire in building or structure is a non-billable ICD-10-CM category code (X00).
7th characterThe appropriate 7th character is to be added to code W12The appropriate 7th character is to be added to each code from category X00
Includes
conflagration in building or structure
Code first
any associated cataclysm

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources