Carotid angiogram (primary care)
Name carotid_angio_gprd
Chapter Circulatory disease/Cerebrovascular disease
Carotid angiogram as recorded in GPRD
Data Type Categorical
Data sources GPRD
Repeated Yes
Valid event date range 01/01/1900 - 25/03/2010
Agreed 08.04.2011 (Revision 1)
Category Definition
0 Test not done
1 Results normal
2 Results potentially abnormal
3 Results abnormal
4 Results not recorded
5 Code conflict (normal/potentially abnormal)
6 Code conflict (normal/abnormal)
7 Code conflict (potentially abnormal/abnormal)
IF Read code in carotid angiogram codelist, THEN gprd_carotid_angio =

appropriate category

OR IF Read code in carotid angiogram codelist AND enttype = 251, THEN

gprd_carotid_angio = appropriate category based on data1.

OR IF enttype = 301, THEN gprd_carot
Codelist version1
Codelist authorsJulie George, Emily Herrett, Liam Smeeth, Harry Hemingway
Creation date15 Apr 2011
Category (code) Clinical code Clinical term Datasource lookup
Results normal (1) 5512.00 Carotid A angiogram normal 20016
Results abnormal (3) 5513.00 Carotid A angiogram abnormal 41818
Results not recorded (4) 551..00 Carotid artery angiogr-general 13985
Results not recorded (4) 551..11 Carotid artery angiography 19824
Results not recorded (4) 551Z.00 Carotid art.angiog-general NOS 49693
Results not recorded (4) 7A22100 Arteriography of carotid artery 2659
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