Gamma glutamyl transpeptidase (GGT)
Name ggt_gprd
Chapter Digestive system diseases/Liver function tests
Definition
Gamma glutamyl transpeptidase (gamma glutamyl transferase), a liver enzyme.
Data Type Continuous
Data sources GPRD
Dictionaries Read
Repeated Yes
Units Gamma glutamyl transpeptidase (gamma glutamyl transferase), a liver enzyme.
Range (min/max) 0-10000
Valid event date range 01/01/1900 - 25/03/2010
Agreed 27 Jun 2013 (Revision 1)
Implementation
IF Read code IN ggt_gprd codelist

AND enttype = 172

AND data2 [value] < 10000 AND data2 > 0

AND data3 [units] IN (61 [iu/L], 179 [u/L], 0, Missing)

THEN ggt_gprd = data2
Codelist version1
Codelist authorsAnoop Shah
Creation date27 Jun 2013
Category (code) Read code Read term CPRD Medcode
(1) 44G4.00 Gamma - G.T. level 5214
(1) 44G4000 Gamma glutamyl transferase level normal 13752
(1) 44G4100 Gamma glutamyl transferase level abnormal 5891
(1) 44G7.00 Plasma gamma-glutamyl transferase level 13754
(1) 44G9.00 Serum gamma-glutamyl transferase level 13753
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