Glycosylated Haemoglobin (categorical)
Name HbA1c_cat_gprd
Chapter Endocrine, nutritional, metabolic/Diabetes
Definition
Category of glycosylated Haemoglobin (HbA1c) level
Data Type Categorical
Data sources GPRD
Repeated Yes
Valid event date range 01/01/1900 - 25/03/2010
Agreed 28.03.2011 (Revision 1)
Category Definition
0 Test not done
1 Normal
2 Potentialy abnormal/borederline
3 Abnormal
4 Results not recorded
5 Diabetes control-good
6 Diabetes control-borderline
7 Diabetes control-bad
8 Diabetes control-NOS
Implementation
Category assigned based on code list.
Codelist version1
Codelist authorsJulie George, Harry Hemingway
Creation date13 Apr 2011
Category (code) Clinical code Clinical term Datasource lookup
Potentialy abnormal/borederline (2) 42W2.00 Hb. A1C 7-10% - borderline 29218
Results not recorded (4) 42V2.00 Haemoglobin A 14286
Results not recorded (4) 42V9.00 Haemoglobin A2 level 14285
Results not recorded (4) 42W4.00 HbA1c level (DCCT aligned) 14053
Results not recorded (4) 42W5.00 Haemoglobin A1c level - IFCC standardised 96968
Results not recorded (4) 42c3.00 HbA1 level (DCCT aligned) 19807
Results not recorded (4) 44TB.00 Haemoglobin A1c level 14051
Results not recorded (4) 44TC.00 Haemoglobin A1 level 27040
Results not recorded (4) 44TL.00 Total glycosylated haemoglobin level 39205
Diabetes control-good (5) 42W1.00 Hb. A1C < 7% - good control 13597
Diabetes control-good (5) 42c0.00 HbA1 < 7% - good control 42360
Diabetes control-borderline (6) 42c1.00 HbA1 7 - 10% - borderline control 40463
Diabetes control-bad (7) 42W3.00 Hb. A1C > 10% - bad control 13604
Diabetes control-bad (7) 42c2.00 HbA1 > 10% - bad control 46079
Diabetes control-NOS (8) 42W..00 Hb. A1C - diabetic control 9958
Diabetes control-NOS (8) 42WZ.00 Hb. A1C - diabetic control NOS 14049
Diabetes control-NOS (8) 42c..00 HbA1 - diabetic control 14050
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