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- Testing for COVID-19 | COVID-19 | CDC
Getting a COVID-19 test Buy self-tests (at-home tests) Buy self-tests (at-home tests) online or in pharmacies and retail stores If you have health insurance, it may reimburse the cost of purchasing self-tests Visit FDA's website for a list of authorized tests Go to a testing location Visit a community-based testing location, such as a pharmacy or health center near you These locations may
- Overview of Testing for SARS-CoV-2 | COVID-19 | CDC
This overview describes current information on the types of tests used to detect SARS-CoV-2 infection and their intended uses This information is intended for use by healthcare providers, public health professionals, and those organizing and implementing testing in non-healthcare settings
- Laboratory Testing for Epstein-Barr Virus (EBV)
Laboratory testing can help distinguish whether someone is susceptible to EBV infection or has a recent or past infection Healthcare providers can test for antibodies to specific EBV-associated antigens Monospot test is not recommended for general use
- Laboratory Testing for CMV and Congenital CMV
The enzyme-linked immunosorbent assay is the most common serologic test for measuring antibody to CMV Congenital CMV infection cannot be diagnosed with antibody testing (IgG and IgM) The standard laboratory test for diagnosing congenital CMV infection is a PCR on saliva, with a confirmatory test on urine
- Waived Tests | Laboratory Quality | CDC
Waived test results, such as prothrombin time and glucose levels, adjust medication dosages for anticoagulant therapy and diabetes In addition, erroneous results from diagnostic tests, such as those for human immunodeficiency virus (HIV) antibody, can have unintended consequences
- Clinical Testing and Diagnosis for Lyme Disease
Laboratory diagnosis of Lyme disease relies on serologic testing for antibodies to Borrelia burgdorferi CDC recommends a two-step serologic testing process using FDA-cleared assays Serologic assays may be falsely negative during the first 4-6 weeks after infection Before CDC will recommend new tests, they must be cleared by the Food and Drug Administration (FDA)
- Clinical Testing and Diagnosis for CDI | C. diff | CDC
This is the most sensitive test available and is most often associated with false-positive results because of the presence of nontoxigenic C diff strains However, testing isolates for toxin production like so-called "toxigenic culture" helps to reduce false positive results
- Measles Serology Testing | Measles (Rubeola) | CDC
Instructions for blood collection Blood for serologic testing of measles at CDC is collected as described in the Infectious Disease Laboratories Test Directory entry for each test, listed below: Measles serology instrucitons (Test CDC-10244) Measles avidity instructions (Test CDC-10248) Testing infants or small children Blood for serologic testing of infants or small children can be collected
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