Medical Billing Basics

If you are new to medical billing, the vocabulary is the first obstacle. Allowed amount, adjudication, contractual adjustment, clearinghouse, EOB versus ERA — none of it is complicated once someone defines it in order.

These articles walk through the fundamentals: what goes on a CMS-1500 and a UB-04, what a clearinghouse actually does, how eligibility verification prevents downstream denials, and how to read a remittance advice line by line.