Y33
Y33 — Other specified events, undetermined intent
Non-billable headerICD-10-CM
Y33 is a non-billable header ICD-10-CM code for other specified events, undetermined intent. 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 code Y33
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
Y33 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.
How Y33 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to Y33.
- Injury, injured NOS›undetermined whether accidental or intentional
- Undetermined intent›specified event NEC
- Exposure›electric current›taser›undetermined intent
- Killed, killing NOS›self›stated as›undetermined whether accidental or intentional
- Injury, injured NOS›inflicted›other person›stated as›undetermined whether accidental or intentional
Code to one of these instead Y33
3 child codes. Green means billable.
Questions about Y33
- Is Y33 a billable ICD-10-CM code?
- No. Y33 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does Y33 sit in the tabular list?
- External causes of morbidity (V00-Y99), in the block Event of undetermined intent (Y21-Y33).