Z03.4 is the ICD-10 code for Observation for suspected myocardial infarction. It is a four-character subcategory of Z03 (Medical observation and evaluation for suspected diseases and conditions, ruled out), the most specific level in the WHO edition. It belongs to the block Z00–Z13 (Persons encountering health services for examination and investigation) in Chapter XXI, Factors influencing health status and contact with health services.
- Code type
- Subcategory (4 characters)
- Chapter
- XXI · Z00–Z99
- Classification
- WHO ICD-10, 2019 version
Z03.4 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
Z03.4Observation för misstänkt hjärtinfarkt som uteslutits och avskrivits
Z03.4Observasjon ved mistanke om hjerteinfarkt
DZ034Observation pga. mistanke om myokardieinfarkt
Z03.4Tarkkailu epäillyn sydäninfarktin vuoksi
Z03.4Beobachtung bei Verdacht auf Herzinfarkt
Z03.4Mise en observation pour suspicion d'infarctus du myocarde
Z03.4observatie in verband met verdenking op myocardinfarct
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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