ICD-10 diagnosis code

I20 Angina pectoris

I20 is the ICD-10 code for Angina pectoris. It is a three-character category divided into 4 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block I20–I25 (Ischaemic heart diseases) in Chapter IX, Diseases of the circulatory system.

Code type: Category (3 characters)
Chapter: IX · I00–I99
Classification: WHO ICD-10, 2019 version

Subcodes of I20

I20 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

I20Anginösa bröstsmärtor (kärlkramp i bröstet)

DenmarkICD-10-DK

DI20Angina pectoris

FinlandICD-10-FI

I20Angina pectoris

GermanyICD-10-GM

I20Angina pectoris

FranceICD-10-FR

I20Angine de poitrine

NetherlandsICD-10-NL

I20angina pectoris

United StatesICD-10-CM

Listed through more specific codes:

I20.2Refractory angina pectoris

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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