A method for encoding clinical datasets with SNOMED CT

Table 1 A summary of the types of encoding outputs and their respective frequencies

Source		Extracted	Cleaned	Eligible	Ineligible	Encoded	Unencoded	Verification Required
Data Elements		211	211	146	65	32	124	0
Coded Values		145	145	145	0	74	71	0
Free Text Values	Unique	15,075	8,582	8,436	146	1,939	3,368	1,129
	Total	37,248	58,829	58,272	507	49,475	3,954	4,844

ISSN: 1472-6947