ICD-10-CM > S00-T88 > T36-T50 > T43 > T43.0 > T43.01 > T43.011 T43.011 Poisoning by tricyclic antidepressants, accidental (unintentional) Non-Billable/Non-Specific Applicable To Poisoning by tricyclic antidepressants NOS Codes T43.011A..., initial encounterT43.011D..., subsequent encounterT43.011S..., sequela