Misunderstanding physician's notes can cost your practice $38 per procedure. Don't shortchange your practice when reporting thoracentesis by picking the wrong code. When your pulmonologist performs this procedure you either use 32421 or32422 to report your claims. But it's not as easy as 1-2-3. Take this quiz and compare your answers with the solutions provided in a related article. Test yourself with these two scenarios Scenario 1: She percusses the patient's chest, noting dullness. The breath sounds are greatly diminished over the area where the chest dullness was found. After a chest x-ray, she confirms the presence of a pleural effusion. Based on the x-ray results, the pulmonologist decides to sample the patient's pleural fluid using a needle attached to a syringe. He then sends the fluid to the laboratory for analysis. The results indicate the presence of an exudative pleural effusion. What should you report? Scenario 2: