Table of Contents ADMISSION...1 AGE...4 COUNTY...5 DISPOSITION...6 PAYOR...9 PROVIDER...26

Table of Contents ADMISSION...1 AGE...4 COUNTY...5 DISPOSITION...6 PAYOR...9 PROVIDER...26

ADMISSION MD_DEMO MD_INPATIENT (APR_DRG) AMD_CODE CODE_DESC 0 On-site acute care unit to distinct rehab unit 1 Another acute general hospital to a specialty ctr 2 Another acute general hosp for any other reason 3 A nursing home 4 Any other health institution 5 Admitted from home 6 Lithotripsy facility 7 On-site ambulatory outpatient surgery unit 8 Off-site ambulatory outpatient surgery unit 9 Unknown 10 Newborn (patient born in hospital) 12 On-site sub-acute unit 13 Other sub-acute facility 0 On-site acute care unit to distinct rehab unit 1 Another acute general hospital to a specialty ctr 2 Another acute general hosp for any other reason 3 A nursing home 1

ADMISSION MD_INPATIENT DISCHARGES AMD_CODE CODE_DESC 4 Any other health institution 5 Admitted from home 6 Lithotripsy facility 7 On-site ambulatory outpatient surgery unit 61 Admit FROM a nursing home 99 Unknown 0 On-site acute care unit to distinct rehab unit 1 Another acute general hospital to a specialty ctr 2 Another acute general hosp for any other reason 3 A nursing home 4 Any other health institution 5 Admitted from home 6 Lithotripsy facility 7 On-site ambulatory outpatient surgery unit 8 Off-site ambulatory outpatient surgery unit 9 Unknown 10 Newborn (patient born in hospital) 12 On-site sub-acute unit 2

ADMISSION AMD_CODE CODE_DESC 13 Other sub-acute facility 20 Trans FROM ON-site acute care unit TO ON-site reha 21 Trans FROM ON-site rehabilitation unit TO acute ca 22 Trans FROM ON-site rehabilitation unit TO chronic 23 Trans FROM chronic unit TO ON-site rehabilitation 24 Trans FROM ON-site acute care unit TO chronic unit 25 Trans FROM ON-site chronic unit TO acute care unit 26 Trans FROM ON-site acute care TO ON-site psych uni 27 Trans FROM ON-site psych unit TO acute care unit 28 Trans FROM ON-site sub-acute unit TO acute care un 61 Admit FROM a nursing home 3

AGE AGE_CODE AGE_GROUP AGE 1 0 to 9 0 to 9 2 10 to 14 10 to 14 3 15 to 17 15 to 17 4 18 to 24 18 to 24 5 25 to 34 25 to 34 6 35 to 44 35 to 44 7 45 to 54 45 to 54 8 55 to 64 55 to 64 9 65 to 74 65 to 74 10 75 + 75 + 4

COUNTY COUNTY_CODE COUNTY CODE_DESC 19 Somerset Somerset, MD (26315) 20 Talbot Talbot, MD (34397) 21 Washington Washington, MD (134521) 22 Wicomic Wicomic, MD (86708) 23 Worcester Worcester, MD (49796) 29 Undentified Undentified, MD (0) 30 Baltimore City Baltimore City, MD (641797) 5

DISPOSITION DIS_CODE CODE_DESC MD_DEMO 12 To on-site distinct rehab unit 13 To nursing facility 14 To on-site psyche unit 15 To on-site sub-acute unit 16 To other sub-acute facility 1 To home or self care 3 To home health care 5 To acute care general hospital 6 To other health care facility 7 Died 8 Left against medical advice 9 Unknown 10 To rehab facility 11 To rehab unit of hospital 12 To on-site distinct rehab unit 13 To nursing facility 14 To on-site psyche unit 15 To on-site sub-acute unit 6

DISPOSITION DIS_CODE CODE_DESC MD_INPATIENT (APR_DRG) MD_INPATIENT DISCHARGES 16 To other sub-acute facility 1 To home or self care 2 Short term hospital 3 To home health care 5 To acute care general hospital 45 TO a subacute facility 46 TO other health care facility 60 TO home OR self-care 61 TO home UNDER care OF home health agency 62 TO nursing home 63 LTC hospital 70 Expired 71 Left against medical advice 99 Unknown 1 To home or self care 3 To home health care 4 To intermediate care facility 7

DISPOSITION DIS_CODE CODE_DESC 5 To acute care general hospital / short-term general hospital 6 To other health care facility / state psychiatric hospital 7 Died 8 Left against medical advice / To supervised/congregate housing 9 Unknown /To group home/halfway house 10 To rehab facility 11 To rehab unit of hospital 12 To on-site distinct rehab unit /To another private psych hospital 13 To nursing facility 14 To on-site psyche unit 15 To on-site sub-acute unit 16 To other sub-acute facility 20 TO DISTINCT ON-site rehab unit FROM acut 99 Unknown 8

MD_Ambulatory Care 1 Medicare - old value 2 Medicaid - old value 3 Title V - old value 4 Blue Cross of Maryland - old value 5 Commercial Insurance Company/PPO - old value 6 Other Government Program - old value 7 Worker Compensation - old value 8 Self-pay - old value 9 Charity/No Charge - old value 10 Other - old value 11 Donor - old value 16 Blue Cross National Capital Area - old value 17 Blue Cross-Other State - old value 99 Unknown 101 HMO - Aetna Health Plans-old 102 HMO - CapitolCare-old 103 HMO - CFS Health Group, Inc-old 104 HMO - Chesapeake Health Plan-old 9

105 HMO - Cigna Healthcare Mid-Atlantic, Inc.-old 106 HMO - Columbia Medical Plan-old 107 HMO - Delmarva Health Plan-old 299 Medicaid HMO - Medicaid HMO - Unknown 301 Medicare HMO - Aetna Health Plans-old 302 Medicare HMO - CapitolCare-old 303 Medicare HMO - CFS Health Group, Inc.-old 304 Medicare HMO - Chesapeake Health Plan-old 305 Medicare HMO - Cigna Healthcare Mid-Atlantic, -old 306 Medicare HMO - Columbia Medical Plan-old 307 Medicare HMO - Delmarva Health Plan-old 308 Medicare HMO - Humana Group Health Plan-old 309 Medicare HMO - GWU Health Plan-old 310 Medicare HMO - NYLCare-old 311 Medicare HMO - Kaiser Permanente-old 312 Medicare HMO - MAMSI-old 313 Medicare HMO - Total Health Care-old 314 Medicare HMO - U.S. Healthcare-old 315 Medicare HMO - Prudential Health Care Mid-Atla-old 10

MD_Ambulatory Surgery 316 Medicare HMO - Mid-Atlantic Principal Health C-old 317 Medicare HMO - Preferred Health Network of MD-old 318 Medicare HMO - Physicians Health Plan Inc.-old 319 Medicare HMO - Delaware Principal Health Care-old 399 Medicare HMO - Medicare HMO - Unknown 1 Medicare - old value 2 Medicaid - old value 3 Title V - old value 4 Blue Cross of Maryland - old value 5 Commercial Insurance Company/PPO - old value 6 Other Government Program - old value 7 Worker Compensation - old value 8 Self-pay - old value 9 Charity/No Charge - old value 10 Other - old value 11 Donor - old value 16 Blue Cross National Capital Area - old value 17 Blue Cross-Other State - old value 65 Aetna 11

66 CareFirst - CFMI (MD) (PPO, POS, Blue Pref, FEP) 67 CareFirst - GHMSI (DC) (PPO, POS, Blue Pref, FEP) 68 CCN/First Health 69 Cigna 70 Employer Health PLAN (EHP) 71 Fidelity Benefits Administrator 72 Great West One PLAN 73 Kaiser Permanente 74 MAMSI (i.e., Alliance PPO, MAMSI Life, Health) 75 National Capital PPO (NCPPO) 76 PRIVATE Health Care Systems 77 Other Commercial, PPO, PPN, TPA 99 Unknown 101 HMO - Aetna Health Plans-old 102 HMO - CapitolCare-old 103 HMO - CFS Health Group, Inc-old 104 HMO - Chesapeake Health Plan-old 105 HMO - Cigna Healthcare Mid-Atlantic, Inc.-old 106 HMO - Columbia Medical Plan-old 12

107 HMO - Delmarva Health Plan-old 108 HMO - Humana Group Health Plan-old 109 HMO - GWU Health Plan-old 110 HMO - NYLCare-old 111 HMO - Kaiser Permanente-old 112 HMO - MAMSI-old 113 HMO - Total Health Care-old 114 HMO - U.S. Healthcare-old 115 HMO - Prudential Health Care Plan-Mid Atlanti-old 116 HMO - Mid Atlantic Principal Health Care-old 117 HMO - Preferred Health Network of MD, Inc.-old 118 HMO - Physicians Health Plan, Inc.-old 119 HMO - Delaware Principal Health Care, Inc.-old 124 HMO - United Healthcare-old 129 HMO - Other-old 130 HMO - Aetna Health Plans 131 HMO - CareFirst (i.e., Blue Choice) 132 HMO - Cigna Healthcare OF Mid-Atlantic 133 HMO - Coventry Health PLAN OF Delaware 13

134 HMO - Kaiser Permanente 135 HMO - MAMSI 136 HMO - United Healthcare 137 HMO - Other HMO/POS 165 HMO - Aetna 168 HMO - CCN/First Health 169 HMO - Cigna 170 HMO - Employer Health PLAN (EHP) 171 HMO - Fidelity Benefits Administrator 172 HMO - Great West One PLAN 173 HMO - Kaiser Permanente 174 HMO - MAMSI (i.e., Alliance PPO, MAMSI Life, Healt 175 HMO - National Capital PPO (NCPPO) 176 HMO - PRIVATE Health Care Systems 177 HMO - Other Commercial, PPO, PPN, TPA 185 HMO - American Psychiatric Systems (APS) 186 HMO - Cigna Behavioral Health 187 HMO - ComPsych 188 HMO - Magellan 14

189 HMO - Managed Health Network 190 HMO - United Behavioral Health 191 HMO - Value Options 192 HMO - Other Behavioral Health 199 HMO - Unknown 203 Medicaid HMO - CFS Health Group, Inc.-old 204 Medicaid HMO - United Healthcare-old 215 Medicaid HMO - Prudential Healthcare Mid-Atlan-old 220 Medicaid HMO - Maryland Physicians Care-old 221 Medicaid HMO - Helix Family Choice-old 222 Medicaid HMO - Jai Medical-old 223 Medicaid HMO - Priority Partners-old 224 Medicaid HMO - United Healthcare-old 225 Medicaid HMO - New American Health-old 226 Medicaid HMO - Prime Health-old 242 Medicaid HMO - Amerigroup 243 Medicaid HMO - Coventry Health PLAN OF DE (Diamond 244 Medicaid HMO - Helix Family Choice 245 Medicaid HMO - JAI Medical GROUP 15

246 Medicaid HMO - Medicaid/Uninsured APS-MD (psych pa 247 Medicaid HMO - Maryland Physicians Care 248 Medicaid HMO - Priority Partners 249 Medicaid HMO - United Healthcare (Americhoice) 250 Medicaid HMO - Other Medicaid MCO/HMO 286 Medicaid HMO - Cigna Behavioral Health 287 Medicaid HMO - ComPsych 288 Medicaid HMO - Magellan 289 Medicaid HMO - Managed Health Network 290 Medicaid HMO - United Behavioral Health 291 Medicaid HMO - Value Options 292 Medicaid HMO - Other Behavioral Health 299 Medicaid HMO - Medicaid HMO - Unknown 301 Medicare HMO - Aetna Health Plans-old 302 Medicare HMO - CapitolCare-old 303 Medicare HMO - CFS Health Group, Inc.-old 304 Medicare HMO - Chesapeake Health Plan-old 305 Medicare HMO - Cigna Healthcare Mid-Atlantic, -old 306 Medicare HMO - Columbia Medical Plan-old 16

307 Medicare HMO - Delmarva Health Plan-old 308 Medicare HMO - Humana Group Health Plan-old 309 Medicare HMO - GWU Health Plan-old 310 Medicare HMO - NYLCare-old 311 Medicare HMO - Kaiser Permanente-old 312 Medicare HMO - MAMSI-old 313 Medicare HMO - Total Health Care-old 314 Medicare HMO - U.S. Healthcare-old 315 Medicare HMO - Prudential Health Care Mid-Atla-old 316 Medicare HMO - Mid-Atlantic Principal Health C-old 317 Medicare HMO - Preferred Health Network of MD-old 318 Medicare HMO - Physicians Health Plan Inc.-old 319 Medicare HMO - Delaware Principal Health Care-old 355 Medicare HMO - Aetna (Golden Choice) 356 Medicare HMO - ElderHealth 357 Medicare HMO - United Healthcare (Evercare) 358 Medicare HMO - Other Medicare HMO 385 Medicare HMO - American Psychiatric Systems (APS) 386 Medicare HMO - Cigna Behavioral Health 17

MD_INPATIEN (APR_DRG) 387 Medicare HMO - ComPsych 388 Medicare HMO - Magellan 389 Medicare HMO - Managed Health Network 390 Medicare HMO - United Behavioral Health 391 Medicare HMO - Value Options 392 Medicare HMO - Other Behavioral Health 399 Medicare HMO - Medicare HMO - Unknown 1 Medicare - old value 2 Medicaid - old value 3 Title V - old value 4 Blue Cross of Maryland - old value 5 Commercial Insurance Company/PPO - old value 6 Other Government Program - old value 7 Worker Compensation - old value 8 Self-pay - old value 9 Charity/No Charge - old value 10 Other - old value 11 Donor - old value 16 Blue Cross National Capital Area - old value 18

17 Blue Cross-Other State - old value 65 Aetna 66 CareFirst - CFMI (MD) (PPO, POS, Blue Pref, FEP) 114 HMO - U.S. Healthcare-old 115 HMO - Prudential Health Care Plan-Mid Atlanti-old 116 HMO - Mid Atlantic Principal Health Care-old 117 HMO - Preferred Health Network of MD, Inc.-old 118 HMO - Physicians Health Plan, Inc.-old 119 HMO - Delaware Principal Health Care, Inc.-old 124 HMO - United Healthcare-old 129 HMO - Other-old 130 HMO - Aetna Health Plans 131 HMO - CareFirst (i.e., Blue Choice) 132 HMO - Cigna Healthcare OF Mid-Atlantic 133 HMO - Coventry Health PLAN OF Delaware 134 HMO - Kaiser Permanente 135 HMO - MAMSI 136 HMO - United Healthcare 137 HMO - Other HMO/POS 19

165 HMO - Aetna 168 HMO - CCN/First Health 169 HMO - Cigna 170 HMO - Employer Health PLAN (EHP) 171 HMO - Fidelity Benefits Administrator 172 HMO - Great West One PLAN 173 HMO - Kaiser Permanente 174 HMO - MAMSI (i.e., Alliance PPO, MAMSI Life, Healt 175 HMO - National Capital PPO (NCPPO) 247 Medicaid HMO - Maryland Physicians Care 248 Medicaid HMO - Priority Partners 249 Medicaid HMO - United Healthcare (Americhoice) 250 Medicaid HMO - Other Medicaid MCO/HMO 286 Medicaid HMO - Cigna Behavioral Health 287 Medicaid HMO - ComPsych 288 Medicaid HMO - Magellan 289 Medicaid HMO - Managed Health Network 290 Medicaid HMO - United Behavioral Health 291 Medicaid HMO - Value Options 20

MD_INPATIEN DISCHARGES 292 Medicaid HMO - Other Behavioral Health 299 Medicaid HMO - Medicaid HMO - Unknown 301 Medicare HMO - Aetna Health Plans-old 302 Medicare HMO - CapitolCare-old 303 Medicare HMO - CFS Health Group, Inc.-old 304 Medicare HMO - Chesapeake Health Plan-old 305 Medicare HMO - Cigna Healthcare Mid-Atlantic, -old 306 Medicare HMO - Columbia Medical Plan-old 307 Medicare HMO - Delmarva Health Plan-old 308 Medicare HMO - Humana Group Health Plan-old 309 Medicare HMO - GWU Health Plan-old 310 Medicare HMO - NYLCare-old 311 Medicare HMO - Kaiser Permanente-old 312 Medicare HMO - MAMSI-old 499 Other Govt - State Sponsored - Unknown 1 Medicare - old value 2 Medicaid - old value 3 Title V - old value 4 Blue Cross of Maryland - old value 21

5 Commercial Insurance Company/PPO - old value 6 Other Government Program - old value 7 Worker Compensation - old value 8 Self-pay - old value 9 Charity/No Charge - old value 10 Other - old value 11 Donor - old value 16 Blue Cross National Capital Area - old value 17 Blue Cross-Other State - old value 65 Aetna 66 CareFirst - CFMI (MD) (PPO, POS, Blue Pref, FEP) 67 CareFirst - GHMSI (DC) (PPO, POS, Blue Pref, FEP) 68 CCN/First Health 69 Cigna 70 Employer Health PLAN (EHP) 71 Fidelity Benefits Administrator 72 Great West One PLAN 73 Kaiser Permanente 74 MAMSI (i.e., Alliance PPO, MAMSI Life, Health) 22

130 HMO - Aetna Health Plans 131 HMO - CareFirst (i.e., Blue Choice) 132 HMO - Cigna Healthcare OF Mid-Atlantic 133 HMO - Coventry Health PLAN OF Delaware 134 HMO - Kaiser Permanente 135 HMO - MAMSI 136 HMO - United Healthcare 137 HMO - Other HMO/POS 165 HMO - Aetna 168 HMO - CCN/First Health 169 HMO - Cigna 170 HMO - Employer Health PLAN (EHP) 171 HMO - Fidelity Benefits Administrator 172 HMO - Great West One PLAN 173 HMO - Kaiser Permanente 174 HMO - MAMSI (i.e., Alliance PPO, MAMSI Life, Healt 175 HMO - National Capital PPO (NCPPO) 176 HMO - PRIVATE Health Care Systems 177 HMO - Other Commercial, PPO, PPN, TPA 23

185 HMO - American Psychiatric Systems (APS) 186 HMO - Cigna Behavioral Health 187 HMO - ComPsych 188 HMO - Magellan 189 HMO - Managed Health Network 190 HMO - United Behavioral Health 289 Medicaid HMO - Managed Health Network 290 Medicaid HMO - United Behavioral Health 291 Medicaid HMO - Value Options 292 Medicaid HMO - Other Behavioral Health 299 Medicaid HMO - Medicaid HMO - Unknown 301 Medicare HMO - Aetna Health Plans-old 302 Medicare HMO - CapitolCare-old 303 Medicare HMO - CFS Health Group, Inc.-old 304 Medicare HMO - Chesapeake Health Plan-old 305 Medicare HMO - Cigna Healthcare Mid-Atlantic, -old 306 Medicare HMO - Columbia Medical Plan-old 307 Medicare HMO - Delmarva Health Plan-old 308 Medicare HMO - Humana Group Health Plan-old 24

309 Medicare HMO - GWU Health Plan-old 310 Medicare HMO - NYLCare-old 311 Medicare HMO - Kaiser Permanente-old 312 Medicare HMO - MAMSI-old 313 Medicare HMO - Total Health Care-old 314 Medicare HMO - U.S. Healthcare-old 315 Medicare HMO - Prudential Health Care Mid-Atla-old 316 Medicare HMO - Mid-Atlantic Principal Health C-old 317 Medicare HMO - Preferred Health Network of MD-old 318 Medicare HMO - Physicians Health Plan Inc.-old 319 Medicare HMO - Delaware Principal Health Care-old 355 Medicare HMO - Aetna (Golden Choice) 25

PROVIDER PROV_NO PROV_NAME 1 Washington County 2 University of Maryland 3 Prince Georges Hospital Ctr 4 Holy Cross 5 Frederick Memorial 6 Harford Memorial 7 St Joseph Medical Center 8 Mercy 9 Johns Hopkins 10 Dorchester General 11 St Agnes 12 Sinai 13 Bon Secours 14 Franklin Square 15 Washington Adventist 16 Garrett County Memorial 17 Montgomery General 18 Peninsula Regional 20 Suburban Hospital Center 26

PROVIDER PROV_NO PROV_NAME 21 Anne Arundel Medical Center 22 Union Memorial 23 Memorial of Cumberland 24 Church Hospital 25 Sacred Heart 26 St Marys 27 Johns Hopkins Bayview 28 Chester River Hospital 29 New Childrens Hospital 30 Union Hospital 31 Carroll County General 32 Harbor Hospital Center 33 CIVISTA Medical Center 35 Memorial at Easton 36 Maryland General 37 Calvert Memorial 38 Northwest Hospital Center 41 North Arundel 42 GBMC 27

PROVIDER PROV_NO PROV_NAME 43 McCready Memorial 46 Howard County General 47 Upper Chesapeake Medical Center 48 Doctors Community Hospital 49 Southern Maryland 50 Laurel Regional Hospital 51 Kernan 52 Good Samaritan 53 Shady Grove Adventist 54 Johns Hopkins - Oncology 56 Liberty Medical Center 57 Chesapeake Rehab 58 Atlantic General 59 Eastern Neuro Rehab Hospital 60 Fort Washington Hospital 61 Mount Washington Pediatric 62 Bowie Healthcare Center 63 Kessler-Adventist Rehab Hospital 28