ICD-10 diagnosis code
T45.1 Poisoning: Antineoplastic and immunosuppressive drugs
T45.1 is the ICD-10 code for Poisoning: Antineoplastic and immunosuppressive drugs. It is a four-character subcategory of T45 (Poisoning by primarily systemic and haematological agents, not elsewhere classified), the most specific level in the WHO edition. It belongs to the block T36–T50 (Poisoning by drugs, medicaments and biological substances) in Chapter XIX, Injury, poisoning and certain other consequences of external causes.
- Code type
- Subcategory (4 characters)
- Chapter
- XIX · S00–T98
- Classification
- WHO ICD-10, 2019 version
What T45.1 includes
Conditions and terms that are coded here.
- Antineoplastic antibiotics
- Cytarabine
What T45.1 excludes
Conditions that look similar but belong under another code.
- tamoxifen T38.6
T45.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
T45.1Antineoplastika und Immunsuppressiva
T45.1Médicaments antitumoraux et immunosuppresseurs
T45.1cytostatica en immunosuppressiva
Listed through more specific codes:
- T45.1X1APoisoning by antineoplastic and immunosuppressive drugs, accidental (unintentional), initial encounter
- T45.1X1DPoisoning by antineoplastic and immunosuppressive drugs, accidental (unintentional), subsequent encounter
- T45.1X1SPoisoning by antineoplastic and immunosuppressive drugs, accidental (unintentional), sequela
- T45.1X2APoisoning by antineoplastic and immunosuppressive drugs, intentional self-harm, initial encounter
- T45.1X2DPoisoning by antineoplastic and immunosuppressive drugs, intentional self-harm, subsequent encounter
- T45.1X2SPoisoning by antineoplastic and immunosuppressive drugs, intentional self-harm, sequela
- T45.1X3APoisoning by antineoplastic and immunosuppressive drugs, assault, initial encounter
- T45.1X3DPoisoning by antineoplastic and immunosuppressive drugs, assault, subsequent encounter
- and 10 more national subcodes
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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