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.
Dark yellow phlegm or thick yellow phlegm indicates an infection of lower respiratory tract or sinuses. Yellow green phlegm indicates an infection of the end of the respiratory system. If you are suffering from a chronic sinus problem you might experience frequent discharge of dark yellow phlegm through the nose.