National Health Statistics Reports

NHSR No. 119: Prevalence, Change Over Time, and Comparison With U.S. Estimates of Selected Infectious Diseases in Los Angeles County: Findings From the National Health and Nutrition Examination Survey,1999–2006 and 2007–2014This report compares prevalence of and change over time for five infectious disease outcomes for the Los Angeles County (LAC) and the U.S. populations. The infectious disease outcomes examined are: herpes simplex virus type 1 (HSV-1) and type 2 (HSV-2), any hepatitis B virus (HBV) infection, HBV immunization, and hepatitis A virus (HAV) from infection or immunization, available for 1999–2006 and 2007–2014, as well as any human papillomavirus (HPV) and high-risk HPV infection, available for the 2007–2014 period only.

NHSR No. 120: Evaluation of Transition From ICD–9–CM to ICD–10–CM Diagnosis Coding System in the National Ambulatory Medical Care SurveyOn October 1, 2015, the International Classification of Diseases, Tenth Revision, Clinical Modification (ICD–10-CM) replaced ICD–9–CM (Ninth Revision) as the diagnosis coding scheme for the U.S. health care system. This
study evaluates the impact of this change on the way the National Center for Health Statistics (NCHS) reports diagnosis data for the National Ambulatory Medical Care Survey (NAMCS).

NHSR No. 121: National Hospital Care Survey Demonstration Projects: Characteristics of Inpatient and Emergency Department Encounters Among Patients With Any Listed Diagnosis of Alzheimer DiseaseThis report demonstrates the use of National Hospital Care Survey (NHCS) data using Alzheimer disease (AD) as an outcome. Inpatient discharges and emergency room encounters among patients with AD are described to demonstrate the use of NHCS. The capability of NHCS to link across hospital settings and to the National Death Index (NDI) is highlighted. The data are unweighted and are not nationally representative.

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