All information in
this report is taken from the Medicare Provider Analysis and
file which is updated annually by CMS based on the federal
fiscal year. The file includes billing data for 100% of
all Medicare fee-for-service claims for discharges during the
twelve months ending September 30. The report is
based on the most recent period available and is consistent with
Data Release policies.
categories are based on groupings of patient
on any medical service in the report to see the
combined to define the category:
- Number of
Medicare Discharges - total number of claims for the
Length of Stay - total patient day divided by the number of
Charges - total gross charges divided by the number of
Cost - Costs are calculated for each patient on the basis of
ratios of costs to charges for routine services and
Click here for cost allocation methodology. The
average reported for a
is total allocated cost divided
by the number of discharges.
CMI - the Medicare case
mix index (CMI) is based on the Medicare Hospital Inpatient
Prospective Payment System for the corresponding federal fiscal
year. The CMI for long term acute care (LTAC) hospitals
reflects DRG changes implemented by CMS in FY04.
Adjusted Avg. Cost. - the case mix adjusted average cost is
the average cost divided by the case mix index.
description of the Medicare Prospective Payment System is provided to explain
MS-DRGs, the case mix index, etc.