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 trained health care professional. Consult with your state and local public health authorities to determine who is authorized to place and read TB skin tests in your state., 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., Prediabetes Prediabetes Risk Test Print Last Reviewed: September 22, 2022 Source: Centers for Disease Control and Prevention, 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., TB screening for health care personnel includes a risk assessment, symptom evaluation, and TB test., 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 .