ICD-10-CM > S00-T88 > T36-T50 > T43 > T43.2 > T43.20 > T43.201 T43.201 Poisoning by unspecified antidepressants, accidental (unintentional) Non-Billable/Non-Specific Applicable To Poisoning by antidepressants NOS Codes T43.201A..., initial encounterT43.201D..., subsequent encounterT43.201S..., sequela