Acid-fast bacillus (AFB) is a type of bacteria that causes tuberculosis (TB) and other infections. AFB tests look for AFB bacteria in sputum. Learn more.

Jul 17, 2024 · Sputum for AFB is a laboratory test used to detect the presence of acid-fast bacilli (AFB) in a person’s coughed up mucus and saliva (sputum). It is primarily used to diagnose …

The Sputum AFB stain, also referred to as the Acid-Fast Bacilli stain, is a laboratory test designed to identify acid-fast bacteria in a sputum sample. The term “acid-fast” describes the unique …

May 28, 2023 · What Is an AFB Stain? Your doctor may use an acid-fast bacteria (AFB) stain test to see if you have a lung disease like tuberculosis (TB). In addition to showing tuberculosis, an …

Feb 10, 2022 · A sputum stain for Mycobacteria is a laboratory test performed on a sample of your sputum, or phlegm. It’s also known as an acid-fast bacillus (AFB) stain or a tuberculosis (TB) …

Sep 28, 2024 · The acid-fast bacillus test is a specialized staining procedure used to identify the presence of acid-fast bacteria, primarily from patient samples such as sputum, cerebrospinal …

•AFB Smear Microscopy: Microscopic examination of specially stained smears to detect acid-fast organisms such as Mycobacterium tuberculosis and non-tuberculous mycobacteria (NTM) …

If you are being tested for pulmonary TB, the AFB culture is done on phlegm (sputum) coughed up from deep inside your lungs. You'll provide sputum in a sterile cup at least 2 days in a row. …

If AFB are found on a sputum smear, it often indicates TB disease (smear positive). However, a positive smear does not confirm a diagnosis of TB because some stained mycobacteria are …

AFB tests are usually ordered for people with symptoms of active TB. The tests look for the presence of AFB bacteria in your sputum. Sputum is a thick mucus that is coughed up from …