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  1. Overview of Testing for SARS-CoV-2 | COVID-19 | CDC

    Aug 29, 2024 · Detection of anti-nucleocapsid antibody indicates SARS-CoV-2 infection, while anti-spike protein antibody may be induced by COVID-19 vaccination or by SARS-CoV-2 …

  2. Testing for COVID-19 | COVID-19 | CDC

    Mar 10, 2025 · If your COVID-19 test is negative A negative COVID-19 test means the test did not detect the virus, but this doesn't rule out that you could have an infection. If you used an …

  3. Testing and Diagnosis for Lyme disease | Lyme Disease | CDC

    May 15, 2024 · Healthcare providers consider multiple factors when evaluating a patient for Lyme disease. Laboratory diagnosis of Lyme disease relies on a blood test that detects antibodies to …

  4. Clinical Testing Guidance for Tuberculosis: Tuberculin Skin Test

    Jan 31, 2025 · The TB skin test (also known as the Mantoux tuberculin skin test or TST) is one method of determining whether a person is infected with TB bacteria. Reliable administration …

  5. Clinical Testing and Diagnosis for Tuberculosis

    Apr 17, 2025 · For more details on interpreting TB skin test results, please visit Clinical Testing Guidance for Tuberculosis: Tuberculin Skin Test. TB skin results should only be read by a …

  6. Testing for Tuberculosis: Blood Test | Tuberculosis (TB) | CDC

    Jan 31, 2025 · A tuberculosis (TB) blood test uses a blood sample to find out if you are infected with TB germs.

  7. Screening for Cervical Cancer | Cervical Cancer | CDC

    Feb 26, 2025 · Screening tests The HPV test and the Pap test can help prevent cervical cancer or find it early. The HPV test looks for the virus (human papillomavirus) that can cause cell …

  8. Waived Tests | Laboratory Quality | CDC

    Sep 11, 2024 · Waived test results, such as prothrombin time and glucose levels, adjust medication dosages for anticoagulant therapy and diabetes. In addition, erroneous results …

  9. Diagnosing Tuberculosis | Tuberculosis (TB) | CDC

    Jan 17, 2025 · A positive test result for tuberculosis (TB) infection means you have TB germs in your body. Your health care provider will do other tests to determine if you have inactive TB …

  10. Baseline Tuberculosis Screening and Testing for Health Care …

    Dec 19, 2023 · TB screening for health care personnel includes a risk assessment, symptom evaluation, and TB test.