T59 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Toxic effect of other gases, fumes and vapors.
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Aerosol propellants
Chlorofluorocarbons (T53.5)
The appropriate 7th character is to be added to each code from category T59
A: initial encounter
D: subsequent encounter
S: sequela
Toxic effect of nitrogen oxides
Toxic effect of sulfur dioxide
Toxic effect of formaldehyde
Toxic effect of lacrimogenic gas
Toxic effect of chlorine gas
Toxic effect of fluorine gas and hydrogen fluoride
Toxic effect of hydrogen sulfide
Toxic effect of carbon dioxide
Toxic effect of other specified gases, fumes and vapors
Toxic effect of unspecified gases, fumes and vapors
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