T43.026A Underdosing of tetracyclic antidepressants, initial encounter

Billable / valid for submission ICD10CM Release FY2026

Short description: Underdosing of tetracyclic antidepressants, init encntr

Version history

Related codes in T43

• T43 Poisoning by, adverse effect of and underdosing of psychotropic drugs, not elsewhere classified
• T43.0 Poisoning by, adverse effect of and underdosing of tricyclic and tetracyclic antidepressants
• T43.01 Poisoning by, adverse effect of and underdosing of tricyclic antidepressants
• T43.011 Poisoning by tricyclic antidepressants, accidental (unintentional)
• T43.011A Poisoning by tricyclic antidepressants, accidental (unintentional), initial encounter
• T43.011D Poisoning by tricyclic antidepressants, accidental (unintentional), subsequent encounter
• T43.011S Poisoning by tricyclic antidepressants, accidental (unintentional), sequela
• T43.012 Poisoning by tricyclic antidepressants, intentional self-harm
• T43.012A Poisoning by tricyclic antidepressants, intentional self-harm, initial encounter
• T43.012D Poisoning by tricyclic antidepressants, intentional self-harm, subsequent encounter
• T43.012S Poisoning by tricyclic antidepressants, intentional self-harm, sequela
• T43.013 Poisoning by tricyclic antidepressants, assault
• T43.013A Poisoning by tricyclic antidepressants, assault, initial encounter
• T43.013D Poisoning by tricyclic antidepressants, assault, subsequent encounter
• T43.013S Poisoning by tricyclic antidepressants, assault, sequela
• T43.014 Poisoning by tricyclic antidepressants, undetermined
• T43.014A Poisoning by tricyclic antidepressants, undetermined, initial encounter
• T43.014D Poisoning by tricyclic antidepressants, undetermined, subsequent encounter
• T43.014S Poisoning by tricyclic antidepressants, undetermined, sequela
• T43.015 Adverse effect of tricyclic antidepressants

All T43 codes →