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Clearinghouses and remittance dataYour Clearinghouse Sends the Claim. Who Reads What Comes Back?
Every payer response is structured, standardized information about how your revenue is actually behaving. For most practices it is used to post payments and then never read again. Your clearinghouse moves the data. VixisIQ™ helps you understand what the data means.
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What is a health care clearinghouse?
The term has a legal definition. Federal regulation defines a health care clearinghouse as an entity that "processes or facilitates the processing of health information received from another entity in a nonstandard format or containing nonstandard data content into standard data elements or a standard transaction", or that receives a standard transaction and processes it into a nonstandard format for the receiving entity.[1]
In practice: it sits between a practice and its payers, translating and transmitting claims out and returning the responses. A clearinghouse is one of the three types of HIPAA covered entity, alongside health plans and providers.[1]
That is a transport and translation role, and it is a necessary one. It is not an analysis role, and clearinghouses do not claim it is.
What Comes Back From Payers
The responses are standardized transactions, which is the whole reason analysis across payers is possible. Transaction names and numbers below are as CMS lists them.[2]
| Transaction | What it tells you | What it is commonly used for, and what gets missed |
|---|---|---|
Payment and Remittance AdviceX12 835 |
What was paid, what was adjusted, what was denied, what moved to the patient, and the reason codes for each. | Used to post payments. What gets missed is the pattern across hundreds of these files. |
Claim StatusX12 276/277 |
Where a submitted claim currently stands with the payer. | Used to chase a specific claim. What gets missed is which payers routinely stall, and by how long. |
Eligibility and BenefitsX12 270/271 |
Whether coverage was active and what the benefit was. | Used at the front desk. What gets missed is whether coverage problems are caught before the visit or after the denial. |
| Rejection responses | That a claim never reached adjudication, and what stopped it. | Worked as a daily list. What gets missed is that the same rejection keeps being fixed by hand instead of at its source. |
The point is not that practices ignore this information. They use it, every day, one transaction at a time. The gap is that nothing counts it. A denial worked well is invisible the moment it is resolved, and the fortieth instance looks exactly like the first.
What CARCs and RARCs Actually Tell You
A payer explains itself in code. Understanding the difference between the two code sets is what separates "denied" from "denied for a reason you can act on".
Claim adjustment reason codes (CARC)
X12 states these codes "describe why a claim or service line was paid differently than it was billed".[3] Each is written with a two character group code in front, which X12 explains "generally assign responsibility for the adjustment amounts".[3]
| Group code | Meaning | Why it matters when you are reading a remittance |
|---|---|---|
CO | Contractual Obligation | The reduction is contractual, so it is not billable to the patient. A rising CO amount can mean a contract question rather than a billing error. |
PR | Patient Responsibility | The balance belongs to the patient. Misreading this is how practices write off money they were entitled to collect. |
OA | Other Adjustment | Frequently where coordination of benefits situations land. |
PI | Payer Initiated Reduction | The payer reduced payment on its own initiative, which is worth examining against the contract. |
CR | Corrections and Reversal | A previous decision is being corrected or reversed, so the account history has to be read as a sequence. |
Remittance advice remark codes (RARC)
X12 states that remark codes "are used to provide additional explanation for an adjustment already described by a Claim Adjustment Reason Code (CARC) or to convey information about remittance processing".[4] There are two types. Supplemental remark codes explain an adjustment. Informational remark codes, called Alerts, "convey information about remittance processing and are never related to a specific adjustment or CARC".[4]
This is the practical consequence: the reason code tells you what the payer did. The remark code often tells you what it wants. Neither tells you why it happened inside your practice, which is the question that determines whether it happens again.
Where the Analysis Fits
A conceptual illustration of the path, not a description of any one practice's setup. Nothing in it asks a practice to change clearinghouse.
- PracticeThe service is delivered and documented.
- EHR or practice management systemThe charge and the claim are created.
- ClearinghouseThe transaction is translated where needed and transmitted to the payer.
- PayerThe claim is adjudicated, or it is rejected before adjudication.
- Remittance advice returnsPayment, adjustment, denial and patient responsibility detail with reason and remark codes.
- VixisIQ™Where appropriate data can be obtained and normalized, remittance information is analyzed for patterns by payer, provider, service line and time.
- VixisTrace™Individual problem claims are investigated for a root cause rather than only corrected.
- Revenue actionCorrective action, an owner, a due date, and monitoring to see whether it worked.
Find Your Network
Listed so you can find your situation. CareVixis does not ask a practice to change clearinghouse, and nothing here is a criticism of any of them: transport and analysis are simply different jobs.
Networks practices most often name
Availity, Claim.MD, Waystar, Office Ally, Change Healthcare, TriZetto Provider Solutions, Experian Health, Inovalon, SSI.
The linked networks have a page of their own. The rest are listed because practices name them, and a page follows when it can carry researched, sourced detail.
Change Healthcare was acquired by Optum, part of UnitedHealth Group, in a transaction completed in 2022, so practices may refer to the same service by either name.[5]
What CareVixis needs to know
Which network carries your claims, which payers you submit directly to instead, and what remittance information you can retrieve and for how far back. That is the practical question. The brand matters less than what data is reachable.
Where appropriate data can be obtained and normalized, VixisIQ™ can analyze the resulting remittance information. That is confirmed for your practice before any commitment, not assumed.
Why there is not yet a page for every network
CareVixis publishes a network-specific page when it can carry researched, sourced detail worth reading, and not merely to occupy a URL. Those pages are being published in stages, and three are live: Availity, Claim.MD and Waystar. If your clearinghouse is not listed, ask: the question is what data is available, not which brand it is.
What to Look for in a Billing Company When You Already Have a Clearinghouse
Eight questions to ask any revenue-cycle company, CareVixis included.
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Can they work with your existing clearinghouse workflow?
Ask whether they expect you to switch networks, and what changes if you do not. A requirement to switch is a cost and a risk that belongs in the comparison.
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Do they analyze remittance information, or only post from it?
Posting is bookkeeping. Analysis means the reason and remark codes are counted across payers and time. Ask which one you are getting, and ask to see the form it arrives in.
-
Do they investigate rejected claims at the source?
A rejection fixed by hand every week is a process defect, not a task. Ask what they do after the third identical rejection.
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Do they investigate payer denials, or just appeal them?
Appealing recovers a claim. Understanding why it was denied is what changes the next one.
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Do they analyze recurring CARC and RARC patterns?
Ask them to explain the difference between the two code sets. If they cannot, they are not reading your remittances closely.
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Can they identify payer-specific behavior?
Payers do not behave identically, and the differences are measurable in what they pay, what they question and how long they take. Ask what they know about your payers.
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Do they perform root cause analysis as a defined process?
Ask for the stages, what gets recorded, and how recurrence is monitored. An undefined process is an intention.
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What will you be able to see, and when?
Ask what visibility you get without requesting it. Then ask what would have told you about a claim that stopped moving 60 days ago.
Your Clearinghouse Moves the Data. VixisIQ™ Explains It.
These are complementary technologies, not competing ones. A clearinghouse that translates and transmits your transactions reliably is doing exactly what it should, and CareVixis has no interest in replacing it.
VixisIQ™ reads what comes back and looks for the pattern. VixisTrace™ investigates the individual claim that broke. CareVixis provides the part neither software layer can: people accountable for doing something about what was found.
VixisTrace™ finds the cause. VixisIQ™ reveals the pattern.
Questions About Clearinghouses and Remittance Data
What does a clearinghouse do?
Federal regulation defines a health care clearinghouse as an entity that processes health information from a nonstandard format or content into a standard transaction, or the reverse. In practice it sits between a practice and its payers, translating and transmitting claims and returning the responses.
What is an ERA?
An electronic remittance advice is the electronic statement a payer returns after processing a claim, reporting what was paid, adjusted, denied and assigned to the patient. CMS lists the adopted standard for payment and remittance advice as X12 835.[2]
What are CARCs and RARCs?
X12 states that claim adjustment reason codes describe why a claim or service line was paid differently than it was billed. Remittance advice remark codes provide additional explanation for an adjustment already described by a CARC, or convey information about remittance processing.[3][4]
Does VixisIQ™ replace my clearinghouse?
No. A clearinghouse translates and transmits transactions. VixisIQ™ analyzes the information that comes back, such as the remittance advice, to find patterns across payers and over time. VixisIQ™ performs no clearinghouse function and CareVixis does not ask a practice to leave its clearinghouse.
What happens after an ERA is received?
Payments are posted and balances move to the patient, a secondary payer or a follow-up queue. What frequently does not happen is analysis: the file is used to post and then set aside, so repeat adjustment and denial patterns are never counted.
Can remittance information identify revenue problems?
It can identify candidates for investigation. Because remittance advice is standardized, the same code means the same thing across payers, so recurring adjustment and denial patterns can be counted. A pattern indicates where to look. It is not by itself proof of a cause.
What is the difference between my clearinghouse's reports and revenue intelligence?
Clearinghouse reporting is generally built around transactions and their status: what was sent, accepted, rejected or paid. Revenue intelligence asks a different question, which is what the accumulated responses say about how your revenue behaves by payer, provider and service line over time.
Can you analyze remittance data if we submit directly to some payers?
That situation is common and worth raising early. What matters is which remittance information can be obtained and normalized, whatever route the claims took. Direct submission is not an obstacle in itself.
Is this the same as a claim scrubber?
No. A scrubber checks claims before submission, which is valuable and is a different function. VixisIQ™ and VixisTrace™ work on what came back afterwards: why something got through and then failed.
See What Your Remittance Data Can Reveal
Keep your EHR. Keep your clearinghouse. Change what happens after the data comes back.
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Sources
- 45 CFR 160.103, Definitions, for the definition of "health care clearinghouse" and of "covered entity". Quoted text is from the regulation. Legal Information Institute, Cornell Law School. Accessed 18 September 2026.
- Centers for Medicare & Medicaid Services, Transactions (HIPAA Administrative Simplification), for the adopted standards and their names: Payment and Remittance Advice (X12 835), Claim Status (X12 276/277), Eligibility and Benefits (X12 270/271). cms.gov. Accessed 18 September 2026.
- X12, Claim Adjustment Reason Codes, for the definition and for the claim adjustment group codes CO, CR, OA, PI and PR. x12.org. Accessed 18 September 2026.
- X12, Remittance Advice Remark Codes, for the definition and for the supplemental and informational (Alert) distinction. x12.org. Accessed 18 September 2026.
- UnitedHealth Group, Change Healthcare and Optum Extend Merger Agreement, and the associated Change Healthcare SEC filings, for the acquisition of Change Healthcare by Optum. unitedhealthgroup.com. Accessed 18 September 2026.
These sources define the standards, code sets and corporate facts referenced above. None of them is a statement about CareVixis performance, and CareVixis publishes no denial or recovery figures on this page.
Trademarks and non-affiliation
Availity, Claim.MD, Waystar, Office Ally, Change Healthcare, Optum, TriZetto Provider Solutions, Experian Health, Inovalon and SSI are trademarks of their respective owners and are referenced here descriptively, to identify services a practice may already use. X12 is a trademark of its owner; the code set definitions quoted above are X12 publications.
CareVixis is not affiliated with, endorsed by, sponsored by or certified by any of these companies. No API integration, native integration, certification or partnership with any of them is claimed.
Your Clearinghouse Is One Link in the Revenue Cycle.
Keep the clearinghouse that works for your practice. CareVixis adds the management and visibility around it: VixisIQ™ surfaces payer, remittance, denial and A/R patterns, while VixisTrace™ supports investigation and root-cause resolution.