T54.9 is the ICD-10 code for Toxic effect: Corrosive substance, unspecified. It is a four-character subcategory of T54 (Toxic effect of corrosive substances), the most specific level in the WHO edition. It belongs to the block T51–T65 (Toxic effects of substances chiefly nonmedicinal as to source) 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
T54.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
T54.9Toksisk virkning av uspesifisert etsende stoff
DT549Forgiftning med ætsende substans UNS
T54.9Määrittämättömän syövyttävän aineen myrkkyvaikutukset
T54.9Ätzende Substanz, nicht näher bezeichnet
T54.9Substance corrosive, sans précision
T54.9bijtende stof, niet-gespecificeerd
Listed through more specific codes:
- T54.91XAToxic effect of unspecified corrosive substance, accidental (unintentional), initial encounter
- T54.91XDToxic effect of unspecified corrosive substance, accidental (unintentional), subsequent encounter
- T54.91XSToxic effect of unspecified corrosive substance, accidental (unintentional), sequela
- T54.92XAToxic effect of unspecified corrosive substance, intentional self-harm, initial encounter
- T54.92XDToxic effect of unspecified corrosive substance, intentional self-harm, subsequent encounter
- T54.92XSToxic effect of unspecified corrosive substance, intentional self-harm, sequela
- T54.93XAToxic effect of unspecified corrosive substance, assault, initial encounter
- T54.93XDToxic effect of unspecified corrosive substance, assault, subsequent encounter
- and 4 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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