ICD-10-CM > S00-T88 > T36-T50 > T43 > T43.0 > T43.01 > T43.015 T43.015 Adverse effect of tricyclic antidepressants Non-Billable/Non-Specific Codes T43.015A..., initial encounterT43.015D..., subsequent encounterT43.015S..., sequela