Serum creatinine (primary care)
Name crea_gprd
Chapter Genitourinary system diseases/Renal failure
Definition
Measurement of serum creatinine in primary care. Values of zero are discarded. The distribution of measurements with units recorded as mmol/L, mol/L or umol/L are all consistent with being recorded in micromol/L. Hence we assume the units are micromol/L regardless of the actual units stated.
Data Type Continuous
Data sources GPRD
Repeated Yes
Valid event date range 01/01/1900 - 25/03/2010
Agreed 08/12/2012 (Revision 1)
Implementation
IF enttype = 165 [Serum creatinine] or enttype = 288 [Other laboratory tests]

AND Read code in crea_gprd codelist

AND data1 [Operator] = 3 ["="] AND data2 [Value] > 0

THEN crea_gprd = data2
Codelist version1
Codelist authorsAnoop Shah, Dorothea Nitsch
Creation date08 Jan 2013
Category (code) Clinical code Clinical term Datasource lookup
(1) 44J3.00 Serum creatinine 5
(1) 44J3000 Serum creatinine abnormal 31277
(1) 44J3100 Serum creatinine low 35545
(1) 44J3200 Serum creatinine normal 26903
(1) 44J3300 Serum creatinine raised 3927
(1) 44J3z00 Serum creatinine NOS 42345
(1) 44JC.00 Corrected plasma creatinine level 62062
(1) 44JD.00 Corrected serum creatinine level 45096
(1) 44JF.00 Plasma creatinine level 13736
(1) 4Q40.00 Creatinine level 27095
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