09/12/2026
📚 Medical Billing Has Its Own Language. Let’s Make It Easier.
If you’ve ever looked at a claim, EOB, denial, or payer correspondence and thought, “What does all of this even mean?” you’re definitely not alone.
Healthcare revenue cycle management comes with A LOT of abbreviations. From CPT, HCPCS, and DRG to CARC, RARC, ERA, COB, and AR, understanding the terminology is an important part of understanding what’s happening with your practice’s revenue.
So I created this Medical Billing Abbreviations Quick Reference to break down some of the common terms you may encounter throughout the revenue cycle. đź’śđź’›
But knowing the abbreviation is only the beginning.
For example:
COB tells us there may be multiple payers involved.
CARC + RARC help explain why a claim was adjusted or denied.
ERA gives us electronic payment and adjustment information.
AR isn’t just a balance, it can tell a much bigger story about the financial health of a practice.
That’s why medical billing isn’t simply “submit a claim and wait for payment.” Understanding the language, identifying trends, correcting issues, and protecting reimbursement all matter.
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