I20.0 is the ICD-10 code for Unstable angina. It is a four-character subcategory of I20 (Angina pectoris), the most specific level in the WHO edition. It belongs to the block I20–I25 (Ischaemic heart diseases) in Chapter IX, Diseases of the circulatory system.
- Code type
- Subcategory (4 characters)
- Chapter
- IX · I00–I99
- Classification
- WHO ICD-10, 2019 version
What I20.0 includes
Conditions and terms that are coded here.
- Angina:
- crescendo
- de novo effort
- worsening effort
- Intermediate coronary syndrome
- Preinfarction syndrome
I20.0 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
I20.0Ustabil angina
DI200Ustabil angina pectoris
- DI200BKlinisk vurderet ustabil angina pectoris
- DI200CUstabil angina pectoris med dokumenteret iskæmi
I20.0Epästabiili angina
- I20.00Epästabiili angina ei osoitettavaa sepelvaltimon ahtaumaa
- I20.01Epästabiili angina ahtautunut sepelvaltimo
- I20.02Epästabiili angina sepelvaltimon trombi
- I20.03Epästabiili angina sepelvaltimon embolus
- I20.08Epästabiili angina sepelvaltimon muu tukos
- I20.09Epästabiili angina määrittämätön sepelvaltimotilanne
I20.0Instabile Angina pectoris
I20.0Angine de poitrine instable
I20.0instabiele angina pectoris
I20.0Unstable angina
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.
Look up another code
Stop looking codes up by hand
Docdemic listens to the consultation, writes the note and suggests the diagnosis and procedure codes that fit it, each one checked against your country’s official code list.
Try Docdemic free