ICD-10-CM > S00-T88 > T36-T50 > T43 > T43.0 > T43.02 > T43.024 T43.024 Poisoning by tetracyclic antidepressants, undetermined Non-Billable/Non-Specific Codes T43.024A..., initial encounterT43.024D..., subsequent encounterT43.024S..., sequela