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For cardiology and cardiovascular practicesYou Ordered the Study Because the Patient Needed It. That Is Not the Test Being Applied.
Cardiology runs on diagnostics, and diagnostics are where coverage policy bites hardest. A study can be entirely appropriate, entirely standard, and entirely consistent with how the specialty practises, and still be denied because the record does not demonstrate the specific criteria a written policy asks for.
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Cardiology Runs on Diagnostics.
Which means cardiology runs on coverage policy, because diagnostics are what coverage policy is written about.
The Test Is Not 'Was This Appropriate'.
The record must document that the coverage criteria in the applicable determination have been met. Appropriateness and evidenced criteria are different standards.
And the Note Was Written for a Peer.
A cardiologist compresses reasoning a colleague would share. A reviewer looking for named indications finds an absence where the author saw something obvious.
Then Half the Payment Depends on Where You Stood.
Professional and technical components are covered differently depending on the setting. Getting that wrong misroutes money on a correctly performed study.
So the Denials Cluster.
Not evenly across the practice, but around particular study types, because a template that never prompts a criterion never prompts it.
The study was right. The record did not say so in the terms the policy asks for.
The detail
Everything below is the evidence for what you just read.
Why do cardiology denials feel so arbitrary?
Because they are decided against a document most clinicians have never read. The patient's medical record must document that the coverage criteria in the applicable Local Coverage Determination have been met.[2] Not that the study was reasonable. That the criteria were met.
Those are different standards, and the gap between them is where cardiology revenue goes. A cardiologist documents for the next clinician. A coverage policy is read by someone looking for named findings. Both are legitimate; only one of them gets the claim paid.
What the Coverage Policies Actually Require
Everything below is as Medicare publishes it, cited at the foot of this page.[1][2] Coverage determinations are contractor-specific and are revised, so the policy that governs your claims is the one your own MAC has in force on the date of service.
| Where it bites | What the published rule says |
|---|---|
| What the record must show | The patient's medical record should contain documentation that fully supports the medical necessity for cardiac catheterisation and coronary angiography, including relevant medical history, physical examination, and results of pertinent diagnostic tests or procedures. |
| Echocardiography | The patient's medical record must document that the coverage criteria in the Echocardiography LCD (L37379) have been met. |
| Where the criteria come from | Professional guidelines referenced for echocardiography include the multi-society 2011 appropriate use criteria for echocardiography. |
| Diagnosis coding | Claims must be submitted with ICD-10-CM codes reflecting the patient's condition, and the diagnosis code must best describe the condition for which the service was performed. |
| Professional and technical split | Medicare Part B covers the professional component of cardiac catheterisation in hospital inpatient and outpatient facility settings, while the technical component is covered under Part A. |
| The office setting | Diagnostic cardiac catheterisation performed in an office setting, where permitted, is covered under Part B for both the professional and the technical component. |
Two of those rows are about documentation, one is about diagnosis coding, and two are about which part of Medicare pays for which half of the same procedure depending on where it was performed. A practice that reads only the first two is still exposed on the others.
The Record Is Written for the Next Clinician, Not the Reviewer
A good cardiology note tells the next physician what was found, what it means and what happens next. It compresses reasoning that the author considers obvious, because the audience is a peer who shares the same training.
A coverage reviewer is not that audience. They are reading for the presence of specific named indications, and clinical reasoning that was implicit to the author is simply absent to them. The denial that follows is not a judgement on the medicine. It is a statement about what the document contained.
This is why cardiology practices so often find their denials cluster around a small number of study types rather than spreading evenly. It is not that those studies are ordered badly. It is that the policies governing them ask for something the practice's documentation template does not prompt.
What a cardiology practice usually tracks
- Studies performed and read.
- Procedure volume by physician.
- Charges posted against each study.
- Turnaround on reads and reports.
What it usually does not track
- Which studies are governed by an LCD, and which one.
- Whether the documentation template prompts the criteria that policy names.
- Which denials were coverage decisions rather than coding errors.
- Whether professional and technical components were split correctly by setting.
Six Ways Cardiology Revenue Goes Missing
Each of these describes work that was performed and clinically defensible. The revenue failure happens elsewhere.
Documentation that assumes a peer reader
The indication was obvious to the cardiologist and is not written down in the terms the coverage policy names. The study is denied for medical necessity.
Diagnosis code that does not match the indication
Claims must carry ICD-10-CM codes that best describe the condition the service was performed for. A close-enough code is a denial waiting to happen.
Component billing wrong for the setting
Professional and technical components split differently depending on where the procedure was performed. Getting the setting wrong misroutes half the payment.
The policy changed and nobody read it
Coverage determinations are revised. A template built against last year's criteria keeps producing claims against this year's policy.
Denials appealed inconsistently
A coverage denial on a defensible study is frequently winnable on appeal, and frequently not appealed, because appealing takes longer than writing it off.
High-value claims aging quietly
Cardiology claims are individually large. A small number sitting unworked in accounts receivable represents more money than a large number would in most specialties.
The practical version of all six: cardiology loses money in a small number of expensive claims governed by documents the clinical team does not routinely read. That makes the gap closable, but only by someone who reads them.
Where This Fits Around What You Already Run
An illustration of the general flow for a cardiology practice, not a description of any particular practice or contractor policy.
- Clinical evaluationThe indication forms in the cardiologist's reasoning.
- The study is orderedAgainst clinical judgement, which is the right basis for ordering it.
- The study is performed and readProfessional and technical components, potentially paid by different parts of Medicare.
- The claim meets the policyWhere the documented record is measured against written coverage criteria.
- Remittance comes backPaid, or denied on medical necessity by someone who read only the record.
- Root cause, not just reworkWhether the denial is one note or a template that never prompts the criteria.
- The pattern, and the fixWhich study, which policy, which missing element, every time.
What Should a Cardiology Practice Ask a Billing Company?
Nine questions for whoever bills for you now, and for CareVixis. The first three tell you whether they have read a coverage determination or only heard of one.
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Which LCDs govern the studies we perform most?
A company that cannot name them is reacting to your denials rather than preventing them.
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Do you map denial reasons back to specific policy criteria?
The useful output is not 'medical necessity'. It is which named criterion the record did not evidence.
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How do you handle professional and technical component splits?
Ask specifically how setting is determined and who checks it before submission.
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What is your appeal rate on coverage denials?
Cardiology denials are often winnable and often abandoned. The rate tells you which of those is happening to you.
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Who watches for policy revisions?
Coverage determinations change. If nobody owns this, your documentation templates silently go stale.
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Do you perform root cause analysis, as a defined process?
Fixing one note gets one claim paid. Fixing the template that produced it is worth a year of them.
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Can you work with the systems we already run?
A cardiology practice should not have to change its EHR or its imaging system to get its claims read properly.
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What visibility do we get, and how often?
Denials by study type and by policy, not a single aggregate number.
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Is the work performed in the United States?
CareVixis is 100% US-based with zero outsourcing. Ask anyone else the same question and get the answer in writing.
Using Cardiology? Keep It.
Your EHR, your imaging and your reporting systems are yours. Nothing on this page requires replacing any of them, and a migration would answer none of the questions above.
Keeping your system is a supported outcome, not a fallback. If you later want to move to the CareVixis platform, that move may be offered at no additional migration charge. Keeping the software you already have carries no monthly software fee from CareVixis.
Keep your systems. Change what the record has to prove, and who reads the policy that decides it.
Questions Cardiology Practices Ask
Why was a clinically appropriate study denied for medical necessity?
Because the test applied is not whether the study was appropriate but whether the record documents that the coverage criteria were met. For echocardiography, the medical record must document that the coverage criteria in the applicable LCD have been met. A note written for the next clinician often compresses exactly the reasoning a reviewer is looking for.
Which coverage policies govern cardiology diagnostics?
Local Coverage Determinations issued by Medicare Administrative Contractors, including policies for cardiac catheterisation and coronary angiography and for echocardiography. They are contractor-specific and are revised over time, so the policy that governs your claims is the one your own MAC has in force on the date of service.
How are professional and technical components handled?
Medicare Part B covers the professional component of cardiac catheterisation in hospital inpatient and outpatient facility settings, while the technical component is covered under Part A. Where diagnostic cardiac catheterisation is performed in an office setting and that is permitted, both components are covered under Part B. Getting the setting wrong misroutes half the payment.
Does the diagnosis code matter beyond getting the claim accepted?
Yes. Claims must be submitted with ICD-10-CM codes reflecting the patient's condition, and the diagnosis code must best describe the condition for which the service was performed. A code that is merely close enough will pass a clearinghouse edit and fail a coverage review.
Do we have to change our EHR to work with CareVixis?
No. CareVixis can manage the revenue cycle around the systems a practice already uses. If your EHR, imaging and reporting work for your physicians, keep them. A practice that later wants to consolidate on the CareVixis platform can do that at its own pace.
Keep Cardiology. Add Revenue Intelligence.
Keep your EHR. Keep your imaging. Change what the documentation has to demonstrate before the claim goes out, and what happens to a coverage denial afterwards.
Free. No obligation. No email required.
Sources
- Centers for Medicare & Medicaid Services, Billing and Coding: Cardiac Catheterization and Coronary Angiography (A52850), Medicare Coverage Database. Source of the documentation requirement that the record fully support medical necessity including relevant history, physical examination and results of pertinent diagnostic tests; of the requirement that claims carry ICD-10-CM codes best describing the condition; and of the professional and technical component coverage split by setting. cms.gov. Accessed 20 September 2026.
- Centers for Medicare & Medicaid Services, Billing and Coding: Echocardiography (A56625) and LCD - Echocardiography (L37379), Medicare Coverage Database. Source of the requirement that the medical record document that the coverage criteria in the Echocardiography LCD have been met, and of the reference to multi-society appropriate use criteria for echocardiography. cms.gov. Accessed 20 September 2026.
- Centers for Medicare & Medicaid Services, LCD - Cardiac Catheterization and Coronary Angiography (L33557), Medicare Coverage Database. The determination underlying the billing and coding article cited above. cms.gov. Accessed 20 September 2026.
CareVixis publishes no denial rate, recovery rate or revenue figure for cardiology practices. Coverage determinations are contractor-specific and are revised; the policies that apply to your claims are those of your own MAC on the date of service, which is one of the first things a review should establish rather than assume.
The CareVixis Model, Applied to Medical Billing for Cardiology Practices
The six CareVixis pillars stay consistent (Revenue Cycle, Credentialing, Technology, Communications, Operations and Growth) while the workflow adapts to this specialty's documentation, coding, payer and operational requirements. Keep the systems that work for you; CareVixis connects responsibility around them.