T43.0 - Poisoning by, adverse effect of and underdosing of tricyclic and tetracyclic antidepressants
- Applicable to Poisoning by, adverse effect of and underdosing of tricyclic and tetracyclic antidepressants
- The 2025 edition of ICD10-CM T43.0 became effective on October 1, 2024.
- This is the American ICD10-CM version of T43.0 - other international versions of ICD10 T43.0 may differ.
- T43.0 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- T43.0 Code should not be used for billing or reimbursement purposes as there are multiple ICD-10 CM codes below it that contain a greater level of detail.
- T43.0 - Poisoning by, adverse effect of and underdosing of tricyclic and tetracyclic antidepressants
- T43.0 - Poisoning by, adverse effect of and underdosing of tricyclic and tetracyclic antidepressants
- T43.01 - Poisoning by, adverse effect of and underdosing of tricyclic antidepressants
- T43.011 - Poisoning by tricyclic antidepressants, accidental (unintentional)
- T43.012 - Poisoning by tricyclic antidepressants, intentional self-harm
- T43.013 - Poisoning by tricyclic antidepressants, assault
- T43.014 - Poisoning by tricyclic antidepressants, undetermined
- T43.015 - Adverse effect of tricyclic antidepressants
- T43.016 - Underdosing of tricyclic antidepressants
- T43.02 - Poisoning by, adverse effect of and underdosing of tetracyclic antidepressants
- T43.021 - Poisoning by tetracyclic antidepressants, accidental (unintentional)
- T43.022 - Poisoning by tetracyclic antidepressants, intentional self-harm
- T43.023 - Poisoning by tetracyclic antidepressants, assault
- T43.024 - Poisoning by tetracyclic antidepressants, undetermined
- T43.025 - Adverse effect of tetracyclic antidepressants
- T43.026 - Underdosing of tetracyclic antidepressants
Non-Billable/Non-Specific Code
The following codes above T43.0 contain annotation back-references that may be applicable to T43.0:
- Chapter: S00-T88 - Injury, poisoning and certain other consequences of external causes
- Section: T36-T50 - Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances
- Category: T43 - Poisoning by, adverse effect of and underdosing of psychotropic drugs, not elsewhere classified
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Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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