Table 1. Payment Impact Redistribution based on MedPAR FY 2009 data.

				Native ICD-10 versus Native ICD-9-CM		Mapped ICD-10 versus Native ICD-9-CM
Hospital Type	Count Hospitals	Count Discharges	Tot Pay ($000,000)	% Diff MS-DRG	% Diff Payment	% Diff MS-DRG	% Diff Payment
All	3,383	10,934,355	118,964	1.68	0.05	3.66	-0.34
IME1
Top 10%	102	618,479	11,403	1.97	0.18	3.85	-0.14
All others	3,281	10,315,876	107,562	1.66	0.04	3.65	-0.36
DSH2
Top 20%	676	2,585,777	35,555	1.79	0.07	3.79	-0.25
Middle 60%	2,031	6,306,899	63,944	1.66	0.04	3.59	-0.35
Bottom 20%	676	2,041,679	19,465	1.59	0.05	3.72	-0.46
Location
Large Urban	1,336	5,268,485	63,292	1.69	0.07	3.75	-0.31
Other Urban	1,093	4,150,768	44,300	1.71	0.04	3.82	-0.38
Rural	954	1,515,102	11,372	1.56	-0.01	2.92	-0.35
Size
Top 10%	338	3,538,531	44,150	1.73	0.08	4.00	-0.33
All other	3,045	7,395,824	74,814	1.66	0.04	3.50	-0.35

¹IME = Indirect Medical Education

²DSH = Disproportionate Share Hospital