T43.21 - Poisoning by, adverse effect of and underdosing of selective serotonin and norepinephrine reuptake inhibitors

  • Applicable to Poisoning by, adverse effect of and underdosing of selective serotonin and norepinephrine reuptake inhibitors
  • The 2025 edition of ICD10-CM T43.21 became effective on October 1, 2024.
  • This is the American ICD10-CM version of T43.21 - other international versions of ICD10 T43.21 may differ.
  • T43.21 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • T43.21 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.
  • T43.21 - Poisoning by, adverse effect of and underdosing of selective serotonin and norepinephrine reuptake inhibitors
    • T43.21 - Poisoning by, adverse effect of and underdosing of selective serotonin and norepinephrine reuptake inhibitors
    • T43.211 - Poisoning by selective serotonin and norepinephrine reuptake inhibitors, accidental (unintentional)
    • T43.212 - Poisoning by selective serotonin and norepinephrine reuptake inhibitors, intentional self-harm
    • T43.213 - Poisoning by selective serotonin and norepinephrine reuptake inhibitors, assault
    • T43.214 - Poisoning by selective serotonin and norepinephrine reuptake inhibitors, undetermined
    • T43.215 - Adverse effect of selective serotonin and norepinephrine reuptake inhibitors
    • T43.216 - Underdosing of selective serotonin and norepinephrine reuptake inhibitors

 Inclusion Term

  • Poisoning by, adverse effect of and underdosing of SSNRI antidepressants

The following codes above T43.21 contain annotation back-references that may be applicable to T43.21:

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

         
Non-Billable/Non-Specific Code

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