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Appendix Y-Grouper Versions Used by Year Reference Table
The values in the CURRENT, PRIOR and NEW Federal and State DRG and MDC fields are dependent upon the discharge year of the patient. Listed below are the version numbers of the groupers used with the highest numbered DRG for that version in parentheses. The bolded areas are the AP (All Patient) DRG versions. Non-bolded areas are the Federal DRG versions. Numbers in parentheses in the heading are the data element numbers defined in the Inpatient Output Data Dictionary. M denotes that the 3M ICD-9 Code mapper is installed.
| CURRENT | PRIOR | NEW | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Federal | State | Federal | State | Federal | State | |||||||
| Year | DRG (95) |
MDC (96) |
DRG (97) |
MDC (98) |
DRG (99) |
MDC (100) |
DRG (101) |
MDC (102) |
DRG (103) |
MDC (104) |
DRG (105) |
MDC (106) |
| 1980-85 | NA(383) | 2.0(470) | N/A | N/A | N/A | N/A | ||||||
| 1986 | 2.0(470) | 3.0(471) | N/A | N/A | N/A | N/A | ||||||
| 1987 | 4.0(473) | 5.0(475) | N/A | N/A | N/A | N/A | ||||||
| 1988 | 5.0(475) | 5.0(714) | N/A | N/A | N/A | N/A | ||||||
| 1989 | 6.0(477) | 6.0(752) | N/A | N/A | N/A | N/A | ||||||
| 1990 | 7.0(477) | 7.0(758) | 6.0(477) | 6.0(752) | 8.0(490) | 8.0(785) | ||||||
| 1991 | 8.0(490) | 8.0(785) | 7.0(477) | 7.0(758) | 9.0(492) | 9.0(794) | ||||||
| 1992 | 9.0(492) | 9.0(794) | 8.0(490) | 8.0(785) | 10.0(492) | 10.0(794) | ||||||
| 1993 | 10.0(492) | 10.0(794) | 9.0(490) | 9.0(794) | 11.0(494) | 11.0(802) | ||||||
| 1994 | 11.0(494) | 11.0(802) | 10.0(492) | 10.0(794) | 12.0(495) | 12.0(809) | ||||||
| 1995 | 12.0(495) | 12.0(809) | 11.0(494) | 11.0(802) | 13.0(495) | 12.0(809)M | ||||||
| 1996 | 13.0(495) | 12.0(809)M | 12.0(495) | 12.0(809) | 14.0(495) | 14.1(809) | ||||||
| 1997 | 14.0(495) | 14.1(809) | 13.0(495) | 12.0(809)M | 15.0(503) | 14.1(809)M | ||||||
| 1998 | 15.0(503) | 14.1(809)M | 14.0(495) | 14.1(809) | 16.0(511) | 14.1(809)M | ||||||
| 1999 | 16.0(511) | 14.1(809)M | 15.0(503) | 14.1(809)M | 16.0(511) | 14.1(809)M | ||||||
| 2000 | 16.0(511)M | 14.1(809)M | 16.0(511) | 14.1(809)M | 18.0(511) | 18.0(828) | ||||||
| 2001 | 18.0(511) | 18.0(828) | 16.0(511)M | 14.1(809)M | 19.0(523) | 18.0(828)M | ||||||
| 2002 | 19.0(523) | 18.0(828)M | 18.0(511) | 18.0(828) | 20.0(527) | 18.0(828)M | ||||||
| 2003 | 20.0(527) | 18.0(828)M | 19.0(523) | 18.0(828)M | 21.0(540) | 21.0(876) | ||||||
| 2004 | 21.0(540) | 21.0(876) | 20.0(527) | 18.0(828)M | 22.0(543) | 21.0(876)M | ||||||
| 2005 | 22.0(543) | 21.0(876)M | 21.0(540) | 21.0(876) | 23.0(559) | 23.0(886) | ||||||
| 2006 | 23.0(559) | 23.0(886) | 22.0(543) | 21.0(876)M | 24.0(579) | 24.0(88A) | ||||||
| 2007 | 24.0(579) | 24.0(88A) | 23.0(559) | 23.0(886) | 25.0(F25) | 25.0(S25) | ||||||
| 1-3/2008 | 25.0(F25) | 25.0(S25) | 24.0(579) | 24.0(88A) | 26.0(F26) | 26.0(S26) | ||||||
| 4-12/2008 | 25.1(F2A) | 25.1(S2A) | 24.0(579) | 24.0(88A) | 26.0(F26) | 26.0(S26) | ||||||
| 2009 | 26.0(F26) | 26.0(F26) | 25.1(F2A) | 25.1(F2A) | N/A | N/A | ||||||
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