I23Certain current complications following acute myocardial infarction
Code usage status
Primary diagnosis
Select a more specific code
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Do not use I23 directly
Use the most specific code supported by the record.
- Chapter IX
- Diseases of the circulatory system
- Group I20-I25
- Ischaemic heart diseases
- Official Vietnamese name
- Biến chứng hiện tại xác định sau nhồi máu cơ tim cấp tính
- Additional WHO coding guidance
- Excl.: the listed conditions, when: concurrent with acute myocardial infarction (I21-I22) not specified as current complications following acute myocardial infarction
Related I23 codes
I23.0
Primary diagnosis candidate
Haemopericardium as current complication following acute myocardial infarction
I23.1
Primary diagnosis candidate
Atrial septal defect as current complication following acute myocardial infarction
I23.2
Primary diagnosis candidate
Ventricular septal defect as current complication following acute myocardial infarction
I23.3
Primary diagnosis candidate
Rupture of cardiac wall without haemopericardium as current complication following acute myocardial infarction
I23.4
Primary diagnosis candidate
Rupture of chordae tendineae as current complication following acute myocardial infarction
I23.5
Primary diagnosis candidate
Rupture of papillary muscle as current complication following acute myocardial infarction
I23.6
Primary diagnosis candidate
Thrombosis of atrium, auricular appendage, and ventricle as current complications following acute myocardial infarction
I23.8
Primary diagnosis candidate
Other current complications following acute myocardial infarction
Clinical record checklist
View coding guide →- Confirm that the code matches the final documented diagnosis.
- Use one primary-diagnosis code and record only relevant additional conditions.
- Review Ministry indicators, inclusions, exclusions and notes.
- Do not infer a diagnosis beyond the clinical record.
2026 regulatory basis
Indicators are taken from columns 24–29 of the classification accompanying Circular 06/2026/TT-BYT, cross-referenced with Decision 1849/QĐ-BYT and Official Dispatch 4059/BYT-BH.