The block Y85–Y89 of ICD-10 is titled “Sequelae of external causes of morbidity and mortality”. It is part of Chapter XX, External causes of morbidity and mortality, and holds 5 groups.
Coding notes
- Not to be used for chronic poisoning and harmful exposure. Code these to current poisoning and harmful exposure.
- Categories Y85-Y89 are to be used to indicate circumstances as the cause of death, impairment or disability from sequelae or "late effects", which are themselves classified elsewhere. The sequelae include conditions reported as such, or occurring as "late effects" one year or more after the originating event.
Codes in Y85–Y89
- Y88.0Sequelae of adverse effects caused by drugs, medicaments and biological substances in therapeutic use
- Y88.1Sequelae of misadventures to patients during surgical and medical procedures
- Y88.2Sequelae of adverse incidents associated with medical devices in diagnostic and therapeutic use
- Y88.3Sequelae of surgical and medical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure
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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