T40.3 - Poisoning by, adverse effect of and underdosing of methadone

  • Applicable to Poisoning by, adverse effect of and underdosing of methadone
  • The 2025 edition of ICD10-CM T40.3 became effective on October 1, 2024.
  • This is the American ICD10-CM version of T40.3 - other international versions of ICD10 T40.3 may differ.
  • T40.3 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • T40.3 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.
  • T40.3 - Poisoning by, adverse effect of and underdosing of methadone
    • T40.3 - Poisoning by, adverse effect of and underdosing of methadone
    • T40.3X - Poisoning by, adverse effect of and underdosing of methadone
    • T40.3X1 - Poisoning by methadone, accidental (unintentional)
    • T40.3X2 - Poisoning by methadone, intentional self-harm
    • T40.3X3 - Poisoning by methadone, assault
    • T40.3X4 - Poisoning by methadone, undetermined
    • T40.3X5 - Adverse effect of methadone
    • T40.3X6 - Underdosing of methadone

The following codes above T40.3 contain annotation back-references that may be applicable to T40.3:

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: T40 Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]

     
Non-Billable/Non-Specific Code

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