T43.22: Poisoning by, adverse effect of and underdosing of selective serotonin reuptake inhibitors
T43.22 is a non-billable header ICD-10-CM code for poisoning by, adverse effect of and underdosing of selective serotonin reuptake inhibitors. 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
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Poisoning by, adverse effect of and underdosing of SSRI antidepressants
Excludes2 inherited from the categories above T43.22
Not part of this code, but both may be coded when both are present.
Written on T43: Poisoning by, adverse effect of and underdosing of psychotropic drugs, not elsewhere classified
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 T43.22
6 child codes. Green means billable.
- T43.221Poisoning by selective serotonin reuptake inhibitors, accidental (unintentional)
- T43.222Poisoning by selective serotonin reuptake inhibitors, intentional self-harm
- T43.223Poisoning by selective serotonin reuptake inhibitors, assault
- T43.224Poisoning by selective serotonin reuptake inhibitors, undetermined
- T43.225Adverse effect of selective serotonin reuptake inhibitors
- T43.226Underdosing of selective serotonin reuptake inhibitors