T42.8X
T42.8X — Poisoning by, adverse effect of and underdosing of antiparkinsonism drugs and other central muscle-tone depressants
Non-billable headerICD-10-CM
T42.8X is a non-billable header ICD-10-CM code for poisoning by, adverse effect of and underdosing of antiparkinsonism drugs and other central muscle-tone depressants. 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 T42
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
T42.8X 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 T42.8X
6 child codes. Green means billable.
- T42.8X1Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, accidental (unintentional)
- T42.8X2Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, intentional self-harm
- T42.8X3Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, assault
- T42.8X4Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, undetermined
- T42.8X5Adverse effect of antiparkinsonism drugs and other central muscle-tone depressants
- T42.8X6Underdosing of antiparkinsonism drugs and other central muscle-tone depressants
Questions about T42.8X
- Is T42.8X a billable ICD-10-CM code?
- No. T42.8X is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does T42.8X sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50).