Alanine transaminase (ALT)
Name alt_gprd
Chapter Digestive system diseases/Liver function tests
Definition
Alanine transaminase, a liver enzyme. 
Data Type Continuous
Data sources GPRD
Dictionaries Read
Repeated Yes
Units iu/L
Range (min/max) 0-100000
Valid event date range 01/01/1900 - 25/03/2010
Agreed 27 Jun 2013 (Revision 1)
Implementation
IF Read code IN alt_gprd codelist

AND enttype = 155

AND data2 [value] < 100000 AND data2 > 0

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

THEN alt_gprd = data2
Codelist version1
Codelist authorsAnoop Shah
Creation date27 Jun 2013
Category (code) Read code Read term CPRD Medcode
(1) 44G..11 ALT - blood level 10565
(1) 44G..12 SGPT - blood level 14346
(1) 44G3.00 ALT/SGPT serum level 35
(1) 44G3000 ALT/SGPT level normal 13716
(1) 44G3100 ALT/SGPT level abnormal 26020
(1) 44GA.00 Plasma alanine aminotransferase level 13717
(1) 44GB.00 Serum alanine aminotransferase level 38197
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