ICD-10-CM > S00-T88 > T36-T50 > T43 > T43.0 > T43.01 > T43.011 > T43.011A T43.011A Poisoning by tricyclic antidepressants, accidental (unintentional), initial encounter Billable/Specific Copy Code Copy Description Applicable To Poisoning by tricyclic antidepressants NOS