Unstable angina diagnosis (primary care)
Name unangina_gprd
Chapter Circulatory disease/Unstable angina
Definition
Diagnosis of unstable angina in GPRD
Data Type Categorical
Data sources GPRD
Repeated Yes
Valid event date range 01/01/1900 - 25/03/2010
Agreed 02.03.2011 (Revision 1)
Category Definition
2 Worsening angina
3 Unstable angina
Implementation
Category assigned based on code list.
Codelist version1
Codelist authorsJulie George, Emily Herrett, Marina Daskalopoulou, Liam Smeeth, Harry Hemingway
Creation date12 Apr 2011
Category (code) Clinical code Clinical term Datasource lookup
Worsening angina (2) 662K300 Angina control - worsening 29300
Worsening angina (2) G311300 Refractory angina 34328
Worsening angina (2) G311400 Worsening angina 18118
Unstable angina (3) G311.00 Preinfarction syndrome 36523
Unstable angina (3) G311.11 Crescendo angina 4656
Unstable angina (3) G311.12 Impending infarction 39655
Unstable angina (3) G311.13 Unstable angina 1431
Unstable angina (3) G311.14 Angina at rest 19655
Unstable angina (3) G311100 Unstable angina 7347
Unstable angina (3) G311200 Angina at rest 17307
Unstable angina (3) G311z00 Preinfarction syndrome NOS 54251
Unstable angina (3) G312.00 Coronary thrombosis not resulting in myocardial infarction 39449
Unstable angina (3) G31y000 Acute coronary insufficiency 9276
Unstable angina (3) G33z000 Status anginosus 66388
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