Platelet distribution width
Name platelet_dist_width_gprd
Chapter Diseases of the blood/Full blood count
Definition
Platelet distribution width, as recorded in primary care. Entries with missing units have the same distribution as entries with fL, so we assume the units are fL if not stated.
Data Type Continuous
Data sources GPRD
Repeated Yes
Units fL
Range (min/max) 0-50
Valid event date range 01/01/1900 - 25/03/2010
Agreed 27.03.2014 (Revision 1)
Implementation
If Read code is in the platelet_dist_width_gprd codelist

AND enttype = 189

AND data2 (value) < 50 AND data2 (value) > 0 

AND data3 (units) IN (47 [fL], 0 [Missing])

THEN platelet_dist_width_gprd = data2
Codelist version1
Codelist authorsAnoop Shah
Creation date27 Mar 2014
Category (code) Clinical code Clinical term Datasource lookup
(1) 42P5.00 Platelet distribution width 33285
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