Percent of Patients Having an Emergency Room Visit within 30 Days of Discharge, by Cohort and Race
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    (Click a region name to the left to view its profile)
    Anchorage, AK Birmingham, AL Dothan, AL Huntsville, AL Mobile, AL Montgomery, AL Tuscaloosa, AL Fort Smith, AR Jonesboro, AR Little Rock, AR Springdale, AR Texarkana, AR Mesa, AZ Phoenix, AZ Sun City, AZ Tucson, AZ Alameda County, CA Bakersfield, CA Chico, CA Contra Costa County, CA Fresno, CA Los Angeles, CA Modesto, CA Napa, CA Orange County, CA Palm Springs/Rancho Mira, CA Redding, CA Sacramento, CA Salinas, CA San Bernardino, CA San Diego, CA San Francisco, CA San Jose, CA San Luis Obispo, CA San Mateo County, CA Santa Barbara, CA Santa Cruz, CA Santa Rosa, CA Stockton, CA Ventura, CA Boulder, CO Colorado Springs, CO Denver, CO Fort Collins, CO Grand Junction, CO Greeley, CO Pueblo, CO Bridgeport, CT Hartford, CT New Haven, CT Washington, DC Wilmington, DE Bradenton, FL Clearwater, FL Fort Lauderdale, FL Fort Myers, FL Gainesville, FL Hudson, FL Jacksonville, FL Lakeland, FL Miami, FL Ocala, FL Orlando, FL Ormond Beach, FL Panama City, FL Pensacola, FL Sarasota, FL St. Petersburg, FL Tallahassee, FL Tampa, FL Albany, GA Atlanta, GA Augusta, GA Columbus, GA Macon, GA Rome, GA Savannah, GA Honolulu, HI Cedar Rapids, IA Davenport, IA Des Moines, IA Dubuque, IA Iowa City, IA Mason City, IA Sioux City, IA Waterloo, IA Boise, ID Idaho Falls, ID Aurora, IL Bloomington, IL Blue Island, IL Chicago, IL Elgin, IL Evanston, IL Hinsdale, IL Joliet, IL Melrose Park, IL Peoria, IL Rockford, IL Springfield, IL Urbana, IL Evansville, IN Fort Wayne, IN Gary, IN Indianapolis, IN Lafayette, IN Muncie, IN Munster, IN South Bend, IN Terre Haute, IN Topeka, KS Wichita, KS Covington, KY Lexington, KY Louisville, KY Owensboro, KY Paducah, KY Alexandria, LA Baton Rouge, LA Houma, LA Lafayette, LA Lake Charles, LA Metairie, LA Monroe, LA New Orleans, LA Shreveport, LA Slidell, LA Boston, MA Springfield, MA Worcester, MA Baltimore, MD Salisbury, MD Takoma Park, MD Bangor, ME Portland, ME Ann Arbor, MI Dearborn, MI Detroit, MI Flint, MI Grand Rapids, MI Kalamazoo, MI Lansing, MI Marquette, MI Muskegon, MI Petoskey, MI Pontiac, MI Royal Oak, MI Saginaw, MI St. Joseph, MI Traverse City, MI Duluth, MN Minneapolis, MN Rochester, MN St. Cloud, MN St. Paul, MN Cape Girardeau, MO Columbia, MO Joplin, MO Kansas City, MO Springfield, MO St. Louis, MO Gulfport, MS Hattiesburg, MS Jackson, MS Meridian, MS Oxford, MS Tupelo, MS Billings, MT Great Falls, MT Missoula, MT Durham, NC Greenville, NC Hickory, NC Raleigh, NC Wilmington, NC Winston-Salem, NC Lincoln, NE Omaha, NE Lebanon, NH Manchester, NH Camden, NJ Hackensack, NJ Morristown, NJ New Brunswick, NJ Newark, NJ Paterson, NJ Ridgewood, NJ Albuquerque, NM Las Vegas, NV Reno, NV Albany, NY Binghamton, NY Bronx, NY Buffalo, NY East Long Island, NY Elmira, NY Manhattan, NY Rochester, NY Syracuse, NY White Plains, NY National Average 90th Percentile 50th Percentile 10th Percentile
    Percent of Patients Having an Emergency Room Visit within 30 Days of Discharge, by Cohort and Race
    (Cohort: All Medical Discharges; Race: Overall; Year: 2008-2009; Region Levels: HRR)
    20.3% 18.7% 16.9%
        • All medical discharges: All medical DRGs

          All surgical discharges: All surgical DRGs

          Acute myocardial infarction (CMS definition (excluded one-day stay): principal diagnosis code (ICD-9) 410.00, 410.01, 410.10, 410.11, 410.20, 410.21, 410.30, 410.31, 410.40, 410.41, 410.50, 410.51, 410.60, 410.61, 410.70, 410.71, 410.80, 410.81, 410.90, and 410.91

          Congestive heart failure (CMS definition): principal diagnosis code (ICD-9) 402.01, 402.11, 402.91, 404.01, 404.03, 404.11, 404.13, 404.91, 404.93, 428.0, 428.1, 428.20, 428.21, 428.22, 428.23, 428.30, 428.31, 428.32, 428.33, 428.40, 428.41, 428.42, 428.43, and 428.9

          Pneumonia (CMS definition): principal diagnosis code (ICD-9) 480.0, 480.1, 480.2, 480.3, 480.8, 480.9, 481, 482.0, 482.1, 482.2, 482.30, 482.31, 482.32, 482.39, 482.40, 482.41, 482.42, 482.49, 482.81, 482.82, 482.83, 482.84, 482.89, 482.9, 483.0, 483.1, 483.8, 485, 486, 487.0, and 488.11

          Hip fracture (Dartmouth Atlas definition): principal diagnosis code (ICD-9) 820xx

        • 1) Outpatient claims: revenue center code: 0450-0459 (emergency room) and 0981 (professional fees-emergency room) and revenue center visit date not within an acute short-stay or critical access hospital claim that has emergency room payment; or 2) Hospital claims: Any acute short-stay or critical access hospital claims from the MedPAR file with emergency room payment and did not have associated Outpatient claims defined as above.

        • ADJUSTMENTS:
        • Rates are adjusted for age, sex and race using the indirect method, using the U.S. Medicare population for each cohort as the standard.


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    The Dartmouth Atlas of Health Care is based at The Dartmouth Institute for Health Policy and Clinical Practice and is supported by a coalition of funders led by the Robert Wood Johnson Foundation, including the WellPoint Foundation, the United Health Foundation, the California HealthCare Foundation, and the Charles H. Hood Foundation.