ICD-10-CM > S00-T88 > T36-T50 > T43 > T43.2 > T43.20 T43.20 Poisoning by, adverse effect of and underdosing of unspecified antidepressants Non-Billable/Non-Specific Codes T43.201Poisoning by unspecified antidepressants, accidental (unintentional)T43.201A..., initial encounterT43.201D..., subsequent encounterT43.201S..., sequelaT43.202Poisoning by unspecified antidepressants, intentional self-harmT43.202A..., initial encounterT43.202D..., subsequent encounterT43.202S..., sequelaT43.203Poisoning by unspecified antidepressants, assaultT43.203A..., initial encounterT43.203D..., subsequent encounterT43.203S..., sequelaT43.204Poisoning by unspecified antidepressants, undeterminedT43.204A..., initial encounterT43.204D..., subsequent encounterT43.204S..., sequelaT43.205Adverse effect of unspecified antidepressantsT43.205A..., initial encounterT43.205D..., subsequent encounterT43.205S..., sequelaT43.206Underdosing of unspecified antidepressantsT43.206A..., initial encounterT43.206D..., subsequent encounterT43.206S..., sequela