What Does RCM Stand For? Medical Billing Acronyms, Explained
Medical billing runs on acronyms, and RCM is the one people ask about most. Here is what RCM stands for, followed by a plain-English glossary of the other billing and revenue cycle abbreviations you will actually run into.
What does RCM stand for?
RCM stands for revenue cycle management. It is the full financial process that turns a patient visit into collected payment, from scheduling and eligibility through coding, claim submission, payment posting, denials, and patient collections. If you want the complete breakdown of how it works, read our guide to what revenue cycle management is.
Medical billing acronyms glossary
These are the abbreviations that show up on remittances, in software, and in billing conversations.
| Acronym | Stands for | What it means |
|---|---|---|
| RCM | Revenue Cycle Management | The end-to-end process of getting a visit paid. |
| AR | Accounts Receivable | Money owed to the practice that has not been collected yet. |
| EOB | Explanation of Benefits | The payer’s statement to the patient explaining what was paid and why. |
| ERA | Electronic Remittance Advice | The electronic version of a remittance sent to the provider (the 835 file). |
| EFT | Electronic Funds Transfer | Direct deposit of payer payments into the practice bank account. |
| CARC | Claim Adjustment Reason Code | The code that states why a claim was adjusted or denied (for example CO-45). |
| RARC | Remittance Advice Remark Code | The code that adds detail to a CARC, such as which field was missing. |
| CPT | Current Procedural Terminology | The code set for procedures and services performed. |
| ICD-10-CM | International Classification of Diseases, 10th revision | The diagnosis code set that supports medical necessity. |
| HCPCS | Healthcare Common Procedure Coding System | Codes for drugs, supplies, and services not in CPT. |
| NPI | National Provider Identifier | The unique ID for a provider (Type 1) or organization (Type 2). |
| CAQH | Council for Affordable Quality Healthcare | The database payers use to pull provider credentialing information. |
| COB | Coordination of Benefits | The rules that decide which payer is primary when a patient has more than one. |
| NCCI | National Correct Coding Initiative | The edits that prevent improper code pairs from being billed together. |
| EDI | Electronic Data Interchange | The standard for sending claims and remittances electronically (837 and 835). |
| DOS | Date of Service | The date the care was provided, which drives timely-filing limits. |
Where these show up
Most of these acronyms appear together on an ERA or EOB: the CPT and ICD-10 codes you billed, the payment posted by EFT, and any CARC and RARC codes explaining an adjustment. Reading them correctly is how a denial gets worked fast instead of written off. Our guide to common denial codes breaks down the CARCs you see most.
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FAQs
What does RCM stand for in medical billing?
RCM stands for revenue cycle management. It is the entire process of turning a patient visit into collected payment, covering scheduling, eligibility, coding, claim submission, payment posting, denial management, and patient collections.
What does AR stand for in medical billing?
AR stands for accounts receivable, the money a practice is owed but has not yet collected. Days in AR measures how long, on average, claims wait to be paid.
What is the difference between an EOB and an ERA?
An EOB (Explanation of Benefits) is the statement sent to the patient. An ERA (Electronic Remittance Advice) is the electronic remittance sent to the provider, the 835 file that payment posting is based on.
What do CARC and RARC mean?
A CARC (Claim Adjustment Reason Code) states the general reason a claim was adjusted or denied. A RARC (Remittance Advice Remark Code) adds specific detail. You read them together to know the exact fix.