Exploring the association of dual use of the VHA and Medicare with mortality: separating the contributions of inpatient and outpatient services

Table 3 The 15 Most Frequent Primary ICD9-CM Codes for Hospital Episodes.

Non Veterans			Veterans Who are Not Dual Users			Veterans Who are Dual Users
Code	Description	%	Code	Description	%	Code	Description	%
428	Congestive Heart Failure	6.1	414	Other Ischemic Heart Dx	5.2	780	General Symptoms	6.4
786	Resp. & hest Sx	5.6	600	Benign Prostate Hyper.	5.1	428	Congestive Heart Failure	5.4
600	Benign Prostate Hyper.	5.0	786	Resp. & hest Sx	4.9	411	Other Acute Heart Dx	4.5
486	Pneumonia	4.7	428	Congestive Heart Failure	3.9	410	Acute Myocardial Infarct	4.3
411	Other Acute Heart Dx	3.4	427	Cardiac Dysrhythmia	3.8	427	Cardiac Dysrhythmia	3.5
410	Acute Myocardial Infarct	3.2	780	General Symptoms	3.7	789	Oth. Abdomen/Pelvis Sx	3.4
780	General Symptoms	3.0	411	Other Acute Heart Dx	3.4	486	Pneumonia	3.2
414	Other Ischemic Heart Dx	2.9	410	Acute Myocardial Infarct	3.3	414	Other Ischemic Heart Dx	3.0
427	Cardiac Dysrhythmia	2.9	715	Osteoarthrosis	3.3	600	Benign Prostate Hyper.	2.9
715	Osteoarthrosis	2.7	486	Pneumonia	2.6	786	Resp. & hest Sx	2.7
578	Gastrointestinal hemor.	2.4	578	Gastrointestinal Hemor.	2.1	724	Unspecified Back Dx	2.4
436	Acute Ill-defined CVD	2.2	185	Prostate Cancer	1.9	574	Cholelithiasis	2.3
599	Other Urinary Tract Dx	2.1	599	Other Urinary Tract Dx	1.7	436	Acute Ill-defined CVD	2.3
485	Bronchopneumonia	1.8	433	Precerebrial Arter. Sten.	1.7	276	Electrolyte Imbalance	2.2
276	Electrolyte Imbalance	1.7	250	Diabetes Mellitus	1.6	715	Osteoarthrosis	2.1
Total		49.7	Total		48.1	Total		50.7

Key to Abbreviations: Resp = Respiratory; Sx = Symptoms; Dx = Diagnoses; Hyper = Hyperplasia; Infact = Infarction; CVD = Cerebrovascular Disease; Hemor = Hemorrhage; Arter = Arterial; Sten = Stenosis; Oth = Other. h

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