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ICD-10-CM diagnosis code

T45.604S Poisoning by unspecified fibrinolysis-affecting drugs, undetermined, sequela

Billable
Yes, a complete code (FY2026)
Category
T45 Poisoning by primarily systemic and haematological agents, not elsewhere classified
Chapter
19. Injury, poisoning and certain other consequences of external causes

Encounter (7th character)

This code is for a sequela: a complication or condition that arises as a direct result of the injury. The sequela itself is usually coded first, followed by this code.

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Other codes in T45

270 complete codes in this category.

All 270 codes in T45 →

Documentation tips

  • Make sure the note supports every element of the title, “Poisoning by unspecified fibrinolysis-affecting drugs, undetermined, sequela”: each detail in it should be traceable to the history, examination or assessment.
  • Code to the highest specificity the documentation supports. If a detail is missing from the note, add it to the note rather than choosing a less specific code by default.
  • Check the Tabular List and official guidelines for instructional notes (“code first”, “use additional code”, Excludes1/Excludes2) that apply to T45.

The international WHO ICD-10 also has T45, with its inclusion and exclusion notes; titles and detail can differ from ICD-10-CM.

ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.

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