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  1. Testing for COVID-19 | Covid | CDC

    Mar 10, 2025 · 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 …

  2. Fit Testing | Personal Protective Equipment | CDC

    Feb 3, 2025 · The test is a pass/fail test that determines whether you can detect a test agent, such as through taste, smell, or an involuntary cough. The OSHA-accepted fit test protocols …

  3. Placing test strips on a moist or newly cleaned surface may damage the strip and cause incorrect results. Check and record temperatures of the testing, reagent, and test kit storage areas. See …

  4. A1C Test for Diabetes and Prediabetes | Diabetes | CDC

    May 15, 2024 · The A1C test—also known as the hemoglobin A1C or HbA1c test—is a simple blood test. Your A1C is used to diagnose prediabetes and diabetes, and monitor your …

  5. 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.

  6. 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 …

  7. 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 …

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

    Aug 29, 2024 · 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 …

  9. 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 …

  10. Diagnosis for Flu | Influenza (Flu) | CDC

    Oct 3, 2022 · Flu is a contagious respiratory illness that can cause fever, cough, sore throat, runny or stuffy nose, body aches, headache, chills and/or fatigue. There are multiple tests that …

  11. Testing for Tuberculosis: Skin Test | Tuberculosis (TB) | CDC

    Jan 31, 2025 · The tuberculosis (TB) skin test helps find out if you are infected with TB germs.

  12. 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 …

  13. Screening for Prostate Cancer | Prostate Cancer | CDC

    Aug 4, 2025 · There is no standard test to screen for prostate cancer. Two tests that are commonly used to screen for prostate cancer are described below. Prostate cancer screening …

  14. Diabetes Testing | Diabetes | CDC

    May 15, 2024 · You’ll need a blood sugar test to find out if you have prediabetes or diabetes. Testing is simple, and results are usually available quickly.

  15. Testing and Respiratory Viruses | Respiratory Illnesses | CDC

    Aug 18, 2025 · Testing for respiratory viruses when you feel sick can help guide decisions to further protect yourself and others. Testing may be most helpful if you are at higher risk for …

  16. Testing for Strep Throat or Scarlet Fever | Group A Strep | CDC

    Aug 7, 2025 · Healthcare providers can do a quick test to see if someone has strep throat or scarlet fever. Talk to your healthcare provider if you or your child have a sore throat, rash, or …

  17. Getting Tested for HIV | HIV | CDC

    Feb 11, 2025 · Antibody test An antibody test looks for antibodies to HIV in your blood or oral fluid. Most rapid tests and the only HIV self-test approved by the U.S. Food and Drug …

  18. Laboratory Testing for Pertussis | Whooping Cough | CDC

    Dec 2, 2025 · CDC serologic test CDC and the Food and Drug Administration developed a serologic assay that has been useful for confirming diagnosis, especially during suspected …

  19. 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 …

  20. Testing for Tuberculosis | Tuberculosis (TB) | CDC

    Jun 17, 2024 · The tuberculosis (TB) blood test and the TB skin test are the two types of tests for TB infection.