T90.9 is the ICD-10 code for Sequelae of unspecified injury of head. It is a four-character subcategory of T90 (Sequelae of injuries of head), the most specific level in the WHO edition. It belongs to the block T90–T98 (Sequelae of injuries, of poisoning and of other consequences of external causes) 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 T90.9 includes
Conditions and terms that are coded here.
- Sequelae of injury classifiable to S09.9
T90.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
T90.9Følgetilstand etter uspesifisert hodeskade
DT909Følgetilstand efter læsion af hovedet UNS
T90.9Määrittämättömän päävamman myöhäisvaikutukset
T90.9Folgen einer nicht näher bezeichneten Verletzung des Kopfes
T90.9Séquelles de lésion traumatique de la tête, sans précision
T90.9late gevolgen van niet-gespecificeerd letsel van hoofd
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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