The block T66–T78 of ICD-10 is titled “Other and unspecified effects of external causes”. It is part of Chapter XIX, Injury, poisoning and certain other consequences of external causes, and holds 11 groups.
Codes in T66–T78
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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