T43.59
T43.59 — Poisoning by, adverse effect of and underdosing of other antipsychotics and neuroleptics
Non-billable headerICD-10-CM
T43.59 is a non-billable header ICD-10-CM code for poisoning by, adverse effect of and underdosing of other antipsychotics and neuroleptics. 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 T43
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
T43.59 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 T43.59
6 child codes. Green means billable.
- T43.591Poisoning by other antipsychotics and neuroleptics, accidental (unintentional)
- T43.592Poisoning by other antipsychotics and neuroleptics, intentional self-harm
- T43.593Poisoning by other antipsychotics and neuroleptics, assault
- T43.594Poisoning by other antipsychotics and neuroleptics, undetermined
- T43.595Adverse effect of other antipsychotics and neuroleptics
- T43.596Underdosing of other antipsychotics and neuroleptics
Related codes at this level
Codes that share T43.5. If T43.59 is not quite right, the correct code is usually one of these.
Questions about T43.59
- Is T43.59 a billable ICD-10-CM code?
- No. T43.59 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does T43.59 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).