CY 2021 AKI FR Provider Level Impact File		
		
Column	Title	Description
A	Provider ID	Six character OSCAR Provider Number (CMS Certification Number). 
B	Number of Dialysis Treatments	Hemo-equivalent treatments
C	Total Payment for Step 1	This is the baseline result for comparison purposes- use 2019 data with the 2020 wage index
D	Total Payment for Step 2	"This step updates the wage index from its 2020 value to its 2021 (using 2021 CBSA delineations with 5% cap for declines) value, with overall ESRD budget neutruality factor applied."
E	Total Payment for Step 3	This step adapts the base rate from ESRD population to reflect the bundling of calcimimetics.  
F	Total Payment for Step 4	This step updates the base rate by the market basket update and the productivity adjustment.  
G	Rural (old CBSA)	Identifies urban or rural status based on geographic location under 2020 CBSA delineations
		Yes=Rural
		No=Urban
H	Rural (New CBSA)	Identifies urban or rural status based on geographic location under 2021 CBSA delineations
		Yes=Rural
		No=Urban
I	Rural/Urban Status Change	Identifies urban or rural status changed due to change in CBSA delineations
J	Hospital Based	Yes=Hospital-based
		No=Freestanding
K	Census Region	Identifies location of facility by Census Region
L	State	Identifies the facility's state
M	Pediatric	Identifies percentage of pediatric patients
		1=Less than 2%
		2=From 2% to 19%
		3=From 20% to 49%
		4=50% or more
N	Size	Identifies size of facility based on total number of hemo-equivalent treatments (including treatments for non-Medicare patients)
		"1=Less than 4,000 treatments"
		"2=4,000 to 9,999 treatments"
		"3=More than 10,000 treatments"
		4=Unkown
O	Ownership	Identifies type of ownership by:
		1=Large dialysis organization
		2=Regional chain
		3=Independent
		4=Hospital-based
		5=Unknown
P	For Profit	Identifies facilities profit status
		1) Yes
		2) No
Q	"2020 Wage Index, 0.5 Wage Floor"	Wage Index for 2020
R	"2021 Wage Index
(Old CBSA)"	Final 2021 Wage Index with old CBSA delineations
S	WI Change Due to Updated Data	Percentage change in wage index due to updated data
T	"2021 Wage Index
(New CBSA, w/ 5% Cap)"	Final 2021 Wage Index with new  CBSA delineations and 5% Cap policy
U	5% Cap Applied	Identifies whether 5% Cap Policy was Applied
		0 = No
		1 = Yes
V	WI Change Due to CBSA Update and 5% Cap	Percentage change in wage index due  to change in CBSA delineations and application of 5% Cap Policy
