Key difference between CMS 1500 and UB04 explained
If you've ever felt lost looking at a medical bill or an insurance claim, understanding the difference between CMS 1500 and UB04 is usually where the confusion starts. To the untrained eye, these two documents look like a mess of boxes, numbers, and codes that only a software program could love. But in the world of healthcare billing, they serve two very different masters. If you use the wrong one, the insurance company isn't going to give you a polite phone call to fix it—they're just going to hit the "deny" button and move on. ...