Cat-scratch disease (CSD) is mostly preventable. More information about the epidemiology and extent of CSD would help direct prevention efforts to those at highest risk. To gain such information, we reviewed the 2005–2013 MarketScan national health insurance claims databases and identified patients <65 years of age with an inpatient admission or outpatient visit that included a CSD code from the International Classification of Diseases, Ninth Revision, Clinical Modification. Incidence of CSD was highest among those who lived in the southern United States (6.4 cases/100,000 population) and among children 5–9 years of age (9.4 cases/100,000 population). Inpatients were significantly more likely than outpatients to be male and 50–64 years of age. We estimate that each year, 12,000 outpatients are given a CSD diagnosis and 500 inpatients are hospitalized for CSD. Prevention measures (e.g., flea control for cats) are particularly helpful in southern states and in households with children.

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flea csd code 20052013 marketscan national health insurance claims databases

Christina A. Nelson,Shubhayu Saha,Paul S. Mead,.Cat-Scratch Disease in the United States, 2005–2013. 22 (10),.

Christina A. Nelson,Shubhayu Saha,Paul S. Mead,"Cat-Scratch Disease in the United States, 2005–2013" 22

Christina A. Nelson,Shubhayu Saha,Paul S. Mead,"Cat-Scratch Disease in the United States, 2005–2013"