ICD-10-CM > S00-T88 > T36-T50 > T43 > T43.0 > T43.01 > T43.014 T43.014 Poisoning by tricyclic antidepressants, undetermined Non-Billable/Non-Specific Codes T43.014A..., initial encounterT43.014D..., subsequent encounterT43.014S..., sequela