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) smear. A doctor ...
First morning sputum is recommended Indicate specimen source on requisition. Include clinical diagnosis or relevant patient history on requisition (prior positive AFB patient) Shipping Requirements ...