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T65.291

T65.291: Toxic effect of other tobacco and nicotine, accidental (unintentional)

Non-billable headerICD-10-CM

T65.291 is a non-billable header ICD-10-CM code for toxic effect of other tobacco and nicotine, accidental (unintentional). It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to each code from category T65

A
initial encounter
D
subsequent encounter
S
sequela

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Toxic effect of other tobacco and nicotine NOS

Excludes2 inherited from the categories above T65.291

Not part of this code, but both may be coded when both are present.

Written on T65.2: Toxic effect of tobacco and nicotine

  • nicotine dependence (F17.-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead T65.291

3 child codes. Green means billable.

Other codes under T65.29

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.