Cardiac Catheterisation

Completeness of coding within a group of codes: K49-K51, K57, K58 & K63-K65 (3-digit level)
2004 - 2006 QA sample data (extract from SMR01 National Data)

		Main Operation - code which should have been recorded
		Cardiac Catheterisation							Other procedures			SMR Total
		K49	K50	K57	K58	K63	K65	total	no operation carried out	X55	total
Cardiac Catheterisation	K49	27				1			2	1		31
	K50		2									2
Main	K51	1										1
Operation	K57			3								3
as recorded	K58				2							2
on SMR01	K63	2				49						51
	K65					2	2					4
QA Total		30	2	3	2	52	2	91	2	1	3	94
Operation Omitted on SMR		1				1
QA under-recorded total		1				1		2
Number of required codes								93

 

Legend
	Group correctly coded			Group under-recorded
	Group over-recorded			Group recorded on SMR01

 

The Group was recorded with:	Accuracy	95% CI	Sensitivity	Completeness
	96.8%	3.6%	97.8%	101.1%

 

Description of OPCS4 codes
Cardiac catheterisation codes		Non-cardiac catheterisation codes
K49	Transluminal balloon angioplasty of coronary artery	X55*	Other operations on unspecified organ
K50	Other therapeutic transluminal operations on coronary artery
K51	Diagnostic transluminal operations on coronary artery
K57	Other therapeutic transluminal operations on heart
K58	Diagnostic transluminal operation on heart
K63	Contrast radiology of heart
K65	Catheterisation of heart
* this code was used for scans and some other imaging procedures in OPCS4.2

 

Interpreting the table