Serum ferritin
Name ferritin_gprd
Chapter Diseases of the blood/Haematinics
Definition
Serum ferritin in ng/mL. Values of 0 or >= 10000 are considered to be errors.
Data Type Continuous
Data sources GPRD
Repeated Yes
Units ng/mL
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 ferritin_gprd codelist

AND enttype = 169 AND data3 [units] IN (133 [ug/L], 106 [ng/mL], 83 [mg/L], 57 [g/L]) 

AND data2 [value] < 10000 AND data2 > 0

THEN ferritin_gprd = data2
Codelist version1
Codelist authorsAnoop Shah
Creation date27 Jun 2013
Category (code) Clinical code Clinical term Datasource lookup
(1) 42R4.00 Serum ferritin 8491
(1) 42R4.11 Ferritin - serum 19761
(1) 42R4100 Ferritin level low 4566
(1) 42R4200 Serum ferritin normal 18405
(1) 42R4300 Serum ferritin high 18698
(1) 42d4.00 Plasma ferritin level 18384
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