Abdominal aorta ultrasound scan (primary care)
Name aaa_us_gprd
Chapter Circulatory disease/Peripheral arterial disease
Definition
Record of abdominal ultrasound scan in the GPRD test table (test identified by Read code and entity type; result in data1)
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
Implementation
IF Read code in AAA ultrasound codelist, AND enttype = 339 or 251 or 237, THEN use data1 to allocate  relevant category according to TQU lookup:

IF data1=0 ('Data Not Entered') THEN gprd_aaa_us=4

ELSE IF data1=25 ('Normal') THEN gprd_aaa_us=1

ELSE IF dat
Codelist version1
Codelist authorsJulie George, Emily Herrett, Liam Smeeth, Harry Hemingway
Creation date14 Apr 2011
Category (code) Clinical code Clinical term Datasource lookup
Results not recorded (4) 58DB.00 Ultrasound scan of aorta 81450
Results not recorded (4) 68B5.00 Aortic aneurysm screening 16870
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