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EXCERPT FROM TABLE 5: LIST OF MEDICARE SEVERITY DIAGNOSIS-RELATED GROUPS (MS-DRGS),
FY
FY FACTORS, AND GEOMETRIC AND ARITHMETIC MEAN LENGTH OF STAY
RELATIVE WEIGHTING
MSDRG
2012
Final
Rule
PostAcute
DRG
226
No
227
No
228
No
229
No
230
231
No
No
232
No
233
Yes
234
Yes
235
Yes
236
Yes
237
No
238
No
239
Yes
240
Yes
241
Yes
242
Yes
243
Yes
244
245
Yes
No
246
No
247
No
248
No
249
No
250
No
251
No
2012
Final
Rule
Special
Pay
DRG
MDC
TYPE
Geometric
mean
LOS
MS-DRG Title
Weights
W/O MCC
CARDIAC DEFIBRILLATOR IMPLANT
No
05
SURG W/O CARDIAC CATH W MCC
6.7895
CARDIAC DEFIBRILLATOR IMPLANT
No
05
SURG W/O CARDIAC CATH W/O MCC
5.1500
OTHER CARDIOTHORACIC
No
05
SURG PROCEDURES W MCC
7.3445
OTHER CARDIOTHORACIC
No
05
SURG PROCEDURES W CC
4.6552
OTHER CARDIOTHORACIC
No
05
SURG PROCEDURES W/O CC/MCC
3.6603
No
05
SURG CORONARY BYPASS W PTCA W MCC
7.9084
CORONARY BYPASS W PTCA W/O
No
05
SURG MCC
5.6690
CORONARY BYPASS W CARDIAC
No
05
SURG CATH W MCC
7.1418
CORONARY BYPASS W CARDIAC
No
05
SURG CATH W/O MCC
4.8314
CORONARY BYPASS W/O CARDIAC
No
05
SURG CATH W MCC
5.9063
CORONARY BYPASS W/O CARDIAC
No
05
SURG CATH W/O MCC
3.7720
MAJOR CARDIOVASC PROCEDURES
No
05
SURG W MCC
5.1221
MAJOR CARDIOVASC PROCEDURES
No
05
SURG W/O MCC
3.0979
AMPUTATION FOR CIRC SYS
DISORDERS EXC UPPER LIMB & TOE
No
05
SURG W MCC
4.7401
AMPUTATION FOR CIRC SYS
DISORDERS EXC UPPER LIMB & TOE
No
05
SURG W CC
2.6063
AMPUTATION FOR CIRC SYS
DISORDERS EXC UPPER LIMB & TOE
No
05
SURG W/O CC/MCC
1.4939
PERMANENT CARDIAC PACEMAKER
No
05
SURG IMPLANT W MCC
3.6835
PERMANENT CARDIAC PACEMAKER
No
05
SURG IMPLANT W CC
2.6363
PERMANENT CARDIAC PACEMAKER
Arithmetic
the mean
or average
of a collection of numbers,2.0538
No
05mean:SURG
IMPLANT
W/O CC/MCC
computed
as
the
sum
of
numbers
in
a
collection
divided by the number
No
05
SURG AICD GENERATOR PROCEDURES
4.1967 of
numbers in the collection.
Example:
1+2+3+4+6=16
divided by 5 = 3.2.
PERC
CARDIOVASC
PROC W DRUGELUTING STENT W MCC OR 4+
No
05mean:
SURG
3.1727
Geometric
a typeVESSELS/STENTS
of mean or average, computed as the product
PERC CARDIOVASC PROC W DRUG(not
their values,
raised
to the
power. Example: 1.9828
No the sum)
05 of SURG
ELUTING
STENT
W/Onth
MCC
1x2x3x4x6=144. The 5thPERC
root CARDIOVASC
of 144 = 2.70192.
PROC W NONDRUG-ELUTING STENT W MCC OR 4+
No
05 numerical
SURG value
VES/STENTS
2.9396
Median:
the
separating the higher half of a population
PERC CARDIOVASC PROC W NONfrom
half.
Example:
1,2,3,4,6.STENT
The middle
number of the1.8132
5
No the lower
05
SURG
DRUG-ELUTING
W/O MCC
numbers is 3.
PERC CARDIOVASC PROC W/O
No
05
SURG CORONARY ARTERY STENT W MCC
2.8921
PERC CARDIOVASC PROC W/O
CORONARY ARTERY STENT W/O
088
No
05
SURG MCC
1.8447
Arithmetic
mean
LOS
6.0
8.7
2.1
3.1
11.2
13.5
7.2
8.1
4.6
10.8
5.4
12.8
8.0
8.8
11.8
13.3
8.2
8.8
9.3
10.8
6.0
6.5
7.1
10.2
2.8
4.0
11.2
14.3
7.5
9.2
4.8
5.8
6.1
7.8
3.8
4.8
2.3
2.7
2.8
3.9
3.6
5.1
1.9
2.4
4.5
6.1
2.3
2.9
5.0
6.8
2.2
2.9
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