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X04 vs X06.0XXA

X04 (Exposure to ignition of highly flammable material) compared with X06.0XXA (Exposure to ignition of plastic jewelry, initial encounter), 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. X04 carries an Excludes2 note covering X06.0XXA: “exposure to ignition or melting of other clothing and apparel (X06)”

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

Yes, when both are documented. X06.0XXA carries an Excludes2 note covering X04: “exposure to ignition of highly flammable materials (X04.-)”

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

Side by side

X04Exposure to ignition of highly flammable materialX06.0XXAExposure to ignition of plastic jewelry, initial encounter
Billing statusNon-billable header

Report instead: X04.XXXA, X04.XXXD, X04.XXXS

Billable
ClassificationV00-Y99 — External Causes of Morbidity (V00-Y99)V00-Y99 — External Causes of Morbidity (V00-Y99)
DefinitionExposure to ignition of highly flammable material is a non-billable ICD-10-CM category code (X04).Exposure to ignition of plastic jewelry, initial encounter is a billable ICD-10-CM diagnosis code (X06.0A).
7th characterThe appropriate 7th character is to be added to code X04The appropriate 7th character is to be added to each code from category X06
Includes
Exposure to ignition of gasoline
Exposure to ignition of kerosene
Exposure to ignition of petrol

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