| **National Center    for     Health Statistics            Division of Data     Services            6525 Belcrest Road     Hyattsville, MD     20782-2003     (301)458-4636      **

 **National Hospital    Discharge and Ambulatory Surgery Data**
**NCHS Home |NHDS description | NSAS description | News    ReleasesNCHS Health-E-Stats | Data Highlights | Survey Methodology | PublicationsMicro-data | Links to Related    Sites | Search NCHS | Contact usFor more    information, contact the Hospital Care Statistics Branch on (301) 458-4321.**
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**National Hospital Discharge Survey (NHDS)****Description**
**National Survey of Ambulatory        Surgery (NSAS)**
**Description****News    Releases/Fact Sheets****Ambulatory and Inpatient Procedures****NCHS Health E-Stats****Decreasing Hospital Use for HIVLonger Hospital Stays for Childbirth****Data    Highlights - Selected Tables**

**NHDSNSAS****Combined Surgery Data (NHDS and NSAS)    Special Subject Tables from NHDSHuman    Immunodeficiency Virus (HIV) DataFemales    with DeliveriesNewbornsHospital    Inpatient Deaths**

**Survey Methodology****Sample designNHDS**

**NSAS****Data collection and processingNHDS****NSAS****Medical AbstractNHDSView/Download PDF** 421 KB**NSASView/Download PDF** 151KB******Publications****List of Reports****Selected    articles and presentations using NHDS or NSAS dataView/Download PDF** 48 KB

**Public-Use Data Files (micro-data)**    Downloadable data files via ftp**NHDSNSAS**    Downloadable documentation via ftp **NHDSNSAS**Data on CD-ROM**NHDSNSAS**Data on public-use tape**NHDSNSAS****Links    to Related Sites****American Hospital AssociationFederated Ambulatory Surgery AssociationInternational Classification of Diseases,    Ninth Revision, Clinical Modification (ICD-9-CM)National Association of  Health Data OrganizationsNational Cancer Institute**

 

 

**NCHS Home |NHDS description | NSAS description | News    ReleasesNCHS Health-E-Stats | Data Highlights | Survey Methodology | PublicationsMicro-data | Links to Related    Sites | Search NCHS | Contact usFor more    information, contact the Hospital Care Statistics Branch at (301) 458-4321.**
**CDC Home | Search    | Health Topics A-Z**
This page last    reviewed September 12, 2000

**U.S.    DEPARTMENT OF HEALTH AND HUMAN SERVICES****Centers    for Disease Control and Prevention**    National Center for Health Statistics    Division of Data Services     Hyattsville, MD    20782-2003    (301) 458-4636
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