Version May 2024
| Patient and setting | Recommended evaluation |
| Any patient with a cough of ≥2 to 3 weeks' duration, with at least one additional symptom, including fever, night sweats, weight loss, or hemoptysis | Chest radiograph: If suggestive of TB*, collect three sputum specimens for AFB smear microscopy and culture. At least one specimen should also be tested using an NAA test. |
| Any patient at high risk for TB¶ with an unexplained illness, including respiratory symptoms, of ≥2 to 3 weeks' duration | Chest radiograph: If suggestive of TB*, collect three sputum specimens for AFB smear microscopy and culture. At least one specimen should also be tested using an NAA test. |
| Any patient with HIV infection and unexplained cough and fever | Chest radiograph, and collect three sputum specimens for AFB smear microscopy and culture. At least one specimen should also be tested using an NAA test. |
| Any patient at high risk for TB¶ with a diagnosis of community-acquired pneumonia who has not improved after seven days of treatment | Chest radiograph, and collect three sputum specimens for AFB smear microscopy and culture. At least one specimen should also be tested using an NAA test. |
| Any patient at high risk for TB¶ with incidental findings on chest radiograph suggestive of TB even if symptoms are minimal or absentΔ | Review of previous chest radiographs if available, three sputum specimens for AFB smear microscopy and culture. At least one specimen should also be tested using an NAA test. |
TB: tuberculosis; AFB: acid-fast bacilli; NAA: nucleic acid amplification.
* Infiltrates with or without cavitation in the upper lobes or the superior segments of the lower lobes.
¶ Patients with one of the following characteristics: recent exposure to a person with a case of infectious TB; history of a positive test result for Mycobacterium tuberculosis; HIV infection; injection or noninjection drug use; foreign birth and immigration from a region in which incidence is high; residents and employees of high-risk congregate settings; membership in a medically underserved, low-income population; or a medical risk factor for TB (including diabetes mellitus, conditions requiring prolonged corticosteroid and other immunosuppressive therapy, chronic renal failure, certain hematological malignancies and carcinomas, weight >10% below ideal body weight, silicosis, gastrectomy, or jejunoileal bypass).
Δ Chest radiograph performed for any reason, including targeted testing for latent TB infection and screening for TB disease.آیا می خواهید مدیلیب را به صفحه اصلی خود اضافه کنید؟
