ICD-10 diagnosis code
T49.4 Poisoning: Keratolytics, keratoplastics and other hair treatment drugs and preparations
T49.4 is the ICD-10 code for Poisoning: Keratolytics, keratoplastics and other hair treatment drugs and preparations. It is a four-character subcategory of T49 (Poisoning by topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinolaryngological and dental drugs), 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
T49.4 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
T49.4Keratolytika, Keratoplastika und sonstige Arzneimittel und Präparate zur Haarbehandlung
T49.4Kératolytiques, kératoplastiques et autres médicaments et préparations capillaires
T49.4keratolytica, keratoplastica en overige geneesmiddelen en preparaten voor
Listed through more specific codes:
- T49.4X1APoisoning by keratolytics, keratoplastics, and other hair treatment drugs and preparations, accidental (unintentional), initial encounter
- T49.4X1DPoisoning by keratolytics, keratoplastics, and other hair treatment drugs and preparations, accidental (unintentional), subsequent encounter
- T49.4X1SPoisoning by keratolytics, keratoplastics, and other hair treatment drugs and preparations, accidental (unintentional), sequela
- T49.4X2APoisoning by keratolytics, keratoplastics, and other hair treatment drugs and preparations, intentional self-harm, initial encounter
- T49.4X2DPoisoning by keratolytics, keratoplastics, and other hair treatment drugs and preparations, intentional self-harm, subsequent encounter
- T49.4X2SPoisoning by keratolytics, keratoplastics, and other hair treatment drugs and preparations, intentional self-harm, sequela
- T49.4X3APoisoning by keratolytics, keratoplastics, and other hair treatment drugs and preparations, assault, initial encounter
- T49.4X3DPoisoning by keratolytics, keratoplastics, and other hair treatment drugs and preparations, 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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