T65.221
T65.221 — Toxic effect of tobacco cigarettes, accidental (unintentional)
Non-billable headerICD-10-CM
T65.221 is a non-billable header ICD-10-CM code for toxic effect of tobacco cigarettes, 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 tobacco cigarettes NOS
Risk adjustment
T65.221 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code to one of these instead T65.221
3 child codes. Green means billable.
Related codes at this level
Codes that share T65.22. If T65.221 is not quite right, the correct code is usually one of these.
Questions about T65.221
- Is T65.221 a billable ICD-10-CM code?
- No. T65.221 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does T65.221 sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Toxic effects of substances chiefly nonmedicinal as to source (T51-T65).