Type A Medicare claims are not uncommon, however making one medical billing mistake with a Part A claim can cost thousands of dollars. Type A claims should almost always be consolidated billing. Here are some basic tips you should follow when doing consolidated medical billing for Type A claims. There are several medical billing charges that should be excluded when it is a hospital providing the service to the patient. The Centers for Medicare & Medicaid Services gives this list to exclude: computerized axial tomography scans, ambulatory surgery in the operating room, MRI, cardiac catheterizations, radiation therapy, angiography, emergency room services, venous and lymphatic procedures and ambulance services related to …