Table 1.

Top Ten CCS Categories and ICD-9-CM Diagnoses for 30-Day Readmission after ICH

Principal Diagnostic Category (CCS)	%	Primary ICD-9-CM Code	%
Acute Cerebrovascular Disease	21.3	Intracerebral Hemorrhage	14.1
Septicemia	11.8	Septicemia NOS	7.9
Aspiration Pneumonitis	4.3	Aspiration Pneumonitis	4.3
Urinary Tract Infections	4.0	Cerebral artery occlusion/infarct	3.7
Pneumonia	3.5	Urinary Tract Infection NOS	3.5
Complications of Surgery or Medical Care	2.5	Pneumonia NOS	2.6
Respiratory Failure	2.4	Acute Kidney Failure NOS	2.3
Late Effects of Cerebrovascular Disease	2.4	Pulmonary Embolism	2.0
Renal Failure	2.4	Acute Respiratory Failure	1.9
Fluid and Electrolyte Disorders	2.1	Late effect of Cerebrovascular Disease	1.5