Medicare Part B â Your Medical Coverage. Part B pays for a portion of your doctor visits, some home health care, medical equipment, outpatient procedures, rehabilitation therapy, laboratory tests, X-rays, mental health services, ambulance services and blood.
Yellow phlegm is normally a sign of an infection, or a case of the common cold. Greenish or brownish phlegm is nearly always a sign of infection. Greenish or rusty phlegm or phlegm with rusty spots can also be a sign of pneumonia. Coughing up brown phlegm is also a common symptom of excessive smoking.
The following write-up on phlegm color meaning provides information on what the color of phlegm says about the health of an individual. Advertisement. Phlegm refers to congealed mucus that is secreted by the mucous membranes of the respiratory tract. Coughing Up White or Gray Phlegm. White or gray phlegm can indicate upper respiratory tract infection or sinus congestion. Other significant causes of white mucus are: It is important to note that having milk or dairy products does not lead to production of white phlegm.