T65 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Toxic effect of other and unspecified substances.
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The appropriate 7th character is to be added to each code from category T65
A: initial encounter
D: subsequent encounter
S: sequela
Toxic effect of cyanides
Toxic effect of strychnine and its salts
Toxic effect of tobacco and nicotine
Toxic effect of nitroderivatives and aminoderivatives of benzene and its homologues
Toxic effect of carbon disulfide
Toxic effect of nitroglycerin and other nitric acids and esters
Toxic effect of paints and dyes, not elsewhere classified
Toxic effect of other specified substances
Toxic effect of unspecified substance
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