Cardiology Medical Billing Services
Diagnostics, device monitoring and interventional work billed by people who have seen these denials before.
Cardiology has one of the highest denial rates in outpatient medicine, and the reason is structural. The specialty combines high-volume diagnostic testing, professional and technical component splits, remote device monitoring on fixed intervals, and interventional procedures with strict bundling rules.
Each of those has its own trap. Getting the modifier wrong on a component split, billing a device check before the monitoring interval has elapsed, or missing a medical necessity requirement on a stress test will all produce a clean-looking claim that denies.
We bill cardiology with coders assigned to cardiology, which is the only reliable way to catch these before submission rather than after.
The problem
Where this usually goes wrong
Component splits billed wrong
Modifier 26 and TC on diagnostic studies depend on who owns the equipment and where the service happened. Get it wrong and you either deny or leave the technical component uncollected.
Device monitoring intervals
Remote monitoring codes have minimum day requirements between billings. Submitting early is an automatic denial, and practices often bill on a calendar rather than the actual interval.
Medical necessity on diagnostics
Stress tests, echoes and nuclear studies are heavily scrutinised. If the diagnosis code does not support the study under the payer’s coverage policy, it denies regardless of the clinical picture.
Specialty detail
What we watch in cardiology billing
- Diagnostic testing
- Echocardiography, stress testing and nuclear studies coded with attention to the professional and technical split, and checked against payer coverage policy for the supporting diagnosis before submission.
- Device and rhythm monitoring
- Pacemaker and ICD interrogations, loop recorders, Holter and extended ambulatory monitoring, each tracked against its own minimum interval so claims are not submitted early.
- Interventional procedures
- Catheterisation and intervention coded against NCCI bundling edits, with correct use of the X-series modifiers where a distinct service genuinely applies.
- E/M alongside procedures
- Modifier 25 on a same-day E/M is one of the most audited things in cardiology. We apply it only where the documentation supports a separately identifiable service, and we query when it does not.
- Common denial reasons
- Bundled into another service, diagnosis does not support medical necessity, frequency limit exceeded, and missing or invalid modifier. These four cover most of what we see and each has a specific upstream fix.
What is included
- Cardiology-specific CPT and ICD-10 coding
- Professional and technical component split handling
- Device monitoring interval tracking
- Prior authorisation support for advanced imaging
- NCCI bundling and modifier review before submission
- Payer coverage policy checks on diagnostic studies
- Denial management with cardiology root-cause tracking
- A/R follow-up and appeals with clinical documentation
How it runs
Our process
- 1
Cardiology baseline audit
We review 90 days of your cardiology claims for modifier accuracy, component splits, interval compliance and E/M levels, and show you where the denials and the undercoding are concentrated.
- 2
Coverage policy mapping
We map your top payers’ coverage policies for the studies you perform most, so medical necessity is checked against the actual rule rather than assumed.
- 3
Daily coding and scrubbing
Encounters coded within one business day, scrubbed against NCCI edits and payer-specific modifier rules before the claim leaves.
- 4
Denial work and appeals
Denials worked within 48 hours, with written clinical appeals where medical necessity is the reason rather than a blind resubmission.
- 5
Monthly review
Denial mix by reason and payer, modifier accuracy, and the specific documentation patterns worth changing in your templates.
Questions we get asked
Do you have coders who specialise in cardiology?
Yes. Cardiology claims are coded by coders assigned to cardiology rather than rotated across specialties. The modifier and bundling rules here are specific enough that general coding experience is not sufficient.
Can you handle both the professional and technical components?
Yes. We handle global billing, or the professional and technical components separately with modifier 26 and TC applied according to where the service was performed and who owns the equipment.
How do you handle remote device monitoring?
Monitoring intervals are tracked per patient per device so claims are only submitted once the minimum period has elapsed. Billing on a calendar month rather than the actual interval is a common and entirely avoidable denial.
Do you support prior authorisation for advanced imaging?
Yes. Advanced cardiac imaging frequently requires prior auth and the requirements differ by payer. We handle the submission and track the authorisation against the scheduled study.
What denial rate should a cardiology practice expect?
Well-run cardiology billing should sit in the low single digits. If yours is materially above that, the cause is usually concentrated in two or three specific issues rather than spread evenly, which means it is fixable.
Do you work with our existing PM and EHR?
Yes. We work inside your existing systems. No migration and no new software for your staff to learn.
Related services
See what your practice is leaving on the table.
We look at 90 days of your claims data and tell you what is recoverable. No cost, no obligation, BAA signed before anything changes hands.
- Recoverable dollars in your aged A/R, as a number
- Denials grouped by root cause, ranked by value
- A written summary you keep either way
Prefer to talk? (301) 786-0552
Or email info@asesormd.com