ICD-10-CM Diagnosis Code (2025)
Official Description for T43.021
Poisoning by tetracyclic antidepressants, accidental (unintentional)
Coding Notes & Guidelines for T43.021
Poisoning by tetracyclic antidepressants NOS
Parent Code (Less Specific):
About ICD-10-CM Code T43.021 (Poisoning by tetracyclic antidepressants)
ICD-10-CM code T43.021 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM T43.021 became effective on October 1, 2024.
This page provides detailed information about T43.021 - Poisoning by tetracyclic antidepressants, accidental (unintentional). It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Poisoning by tetracyclic antidepressants related to accidental.