2025 ICD-10-CM Diagnosis Code T45.A

by

Poisoning by, adverse effect of and underdosing of immune checkpoint inhibitors and immunostimulant drugs

  • T45.A should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • Short description: Immune checkpoint inhibitors and immunostimulant drugs
  • ICD-10-CM T45.A is a new 2025 ICD-10-CM code that became effective on October 1, 2024.
  • This is the American ICD-10-CM version of T45.A – other international versions of ICD-10 T45.A may differ.

Type 1 Excludes

  • poisoning by, adverse effect of and underdosing of antineoplastic and immunosuppressive drug (T45.1)

The following code(s) above T45.A contain annotation back-references

 that may be applicable to T45.A:

  • S00-T88  Injury, poisoning and certain other consequences of external causes
  • T36-T50  Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances

Code History

  • 2025 (effective 10/1/2024): New code

Code annotations containing back-references to T45.A:

error: Content is protected !!