0001-0879  Short-term (general and specialty) hospitals (STH) where TOB <> 72X;
0900-0999  Multiple hospital component (MHC) in a medical complex (numbers retired) where TOB <> 72X;
1200-1224  Alcohol/drug hospitals (ADH) (excluded from PPS-numbers retired) where TOB <> 72X;
1225-1299  Medical assistance facilities (Montana project) where TOB <> 72X;
1300-1399  Rural Primary Care Hospital (RPCH) Prior to 10/97; Changed to Critical Access Hopitals (CAH) in 10/97
1800-1989  Federally qualified health centers (FQHC) where TOB <> 22X, 32X, 33X, or 34X
1990-1999  Christian Science Sanatoria (hospital services)
2000-2299  Long-term hospitals (excluded from PPS)
2300-2499  Chronic renal disease facilities (hospital based)
2500-2899  Non-hospital renal disease treatment centers
2900-2999  Independent special purpose renal dialysis facility
3000-3024  Formerly tuberculosis hospitals (numbers retired)
3025-3099  Rehabilitation hospitals (excluded from PPS)
3300-3399  Children's hospitals (excluded from PPS) where TOB <> 72X;
3500-3699  Renal disease treatment centers (hospital satellites)
3700-3799  Hospital based special purpose renal dialysis facility
3800-3974, 8900-8999  Rural health clinics (free-standing)
4000-4499  Psychiatric hospitals (excluded from PPS)
5000-6499  Skilled Nursing Facilities - Inpatient where TOB <> 23X
4600-4799, 6500-6989 Outpatient physical therapy services; 4600-4799 where TOB = 74X and the dates are from 10/1/1991 through 3/31/1997; 6500-6989 TOB = 74X
6990-6999  Christian Science Sanatoria (skilled nursing services)
3100-3199 Home Health Agencies (eff 4/1/1996) 7300-7399 Subunits of 'nonprofit' and 'proprietary' Home Health Agencies
7100-7299 In VA(49), reserved for statewide subunit components of the Virginia state HHAS 7800-7999 Subunits of state and local governmental Home Health Agencies
1300-1399 Critical Access Hospitals (CAH) (eff 10/1/1997);
1800-1989 Skilled Nursing Facilities (Inpatient, Part B) where TOB = 22X
0880-0899 Reserved for hospital demos (ORD demos, Inpatient) where TOB <> 72X
5000-6499 Skilled Nursing Facilities (SNF) - Outpatient where TOB = 23X
S001-S999  Psychiatric unit (excluded from PPS)
T001-T999  Rehabilitation unit (excluded from PPS)
U001-U999  Short term/acute care swing-bed hospital
V001-V999  Alcohol drug unit (prior to 10/1987 only)
W001-W999  Long term SNF swing-bed hospital (eff 3/1/1991)
Y001-Y999  Rehab hospital swing-bed (eff 9/1/1992)
Z001-Z999  Rural primary care swing-bed hospital (eff 1/1/1994)
0000-ZZZZ  Other - anything not predefined