Serum calcium
Name calcium_gprd
Chapter Endocrine, nutritional, metabolic/Serum electrolytes
Definition
Total uncorrected calcium concentration in serum, plasma or blood. Measurements of  ionized calcium are excluded.
Data Type Continuous
Data sources GPRD
Dictionaries Read
Repeated Yes
Units mmol/L
Range (min/max) 1-5
Valid event date range 01/01/1900 - 25/03/2010
Agreed 27 Jun 2013 (Revision 1)
Implementation
IF Read code IN calcium_gprd codelist

AND enttype = 159

AND data2 [value] < 5 AND data2 > 1

AND data3 [units] IN (96 [mmol/L], 0, Missing)

THEN calcium_gprd = data2
Codelist version1
Codelist authorsAnoop Shah
Creation date27 Jun 2013
Category (code) Read code Read term CPRD Medcode
(1) 44I8.00 Serum calcium 77
(1) 44I8000 Normal serum calcium level 13728
(1) 44I8100 Raised serum calcium level 26900
(1) 44h4.00 Blood calcium level 13729
(1) 44h7.00 Plasma calcium level 19757
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