- HIPAA-compliant billing • BAA with every client
- Serving practices in all 50 states
CARDIOLOGY BILLING • CATH • ECHO • EP • DEVICES
We help heart practices secure prior auths before the echo bill 26 & TC components correctly code cath, PCI & EP cases cleanly recover denied high-dollar claims get paid for device monitoring
Protect High-Value Cardiac Claims, Cut Authorization Denials, and Keep Cash Flow Predictable
Cardiology billing leaves little room for error. One missing prior authorization, a wrong 26/TC split or an NCCI bundling conflict on a cath, ablation or ICD case can cost thousands of dollars — and weeks of rework for your team.
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Tell us about your practice and we’ll show you where cardiac claims are getting stuck.
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PRIOR AUTH READY
Echo • Nuclear • CCTA • Cath
Approvals tracked by payer & RBM.
CARDIOLOGY BILLING, EXPLAINED
Cardiology billing services turn cardiovascular care — office visits, ECGs, echocardiograms, stress and nuclear tests, cardiac catheterization, PCI, electrophysiology studies, ablations, pacemaker and ICD implants and remote device monitoring — into clean insurance claims and collected payments. They include eligibility checks, prior authorization, coding, charge capture, claim submission, payment posting, denial management and A/R follow-up.
Cardiology differs from general medical billing because claims are high-value, advanced imaging and procedures often need prior authorization, diagnostic tests are frequently split into professional (26) and technical (TC) components, and cath, PCI and EP codes follow strict NCCI bundling edits and Medicare coverage policies (NCDs and LCDs). One error on a cath or device case can cost thousands of dollars.
Reviewed by the SkyLine MB billing & coding team · Last updated October 2026
Built for cardiovascular care
Workflows designed around authorizations, components, procedures and device follow-up.
SKYLINE MB / CARDIOLOGY BILLING
At SkyLine MB, we provide cardiology billing services that help heart and vascular practices manage the financial side of patient care. With 10 years of experience in medical billing, we support eligibility verification, prior authorization, cardiology coding, claim submission, payment posting, denial management and accounts receivable follow-up.
Whether you run a single-physician office with in-house echo and nuclear testing or a multi-site group performing hospital procedures, we help you build a billing workflow that protects high-value claims and gives your team more time for patients.
Cardiology revenue depends on details that generic billing teams often miss: who owns the equipment, who read the study, whether the payer or radiology benefit manager approved the exact CPT code and site of service, and how catheterization and intervention codes bundle together.
Our approach connects each step — from scheduling and authorization to coding, submission and payment reconciliation — so problems are caught before claims go out. When a claim is denied, we identify the root cause, correct it, appeal where documentation supports it and fix the upstream process.
The result is cleaner claims, fewer avoidable denials and clear visibility into what your practice is owed.
WHAT WE HANDLE
Nine connected services that cover the full cardiology revenue cycle — use one, or let SkyLine MB manage the whole workflow.
01
We verify active coverage, cardiology-related benefits, deductibles, copays and coinsurance before the visit or test — including Medicare Advantage plan rules and secondary coverage.
Coverage issues are flagged to your front desk early, so patients know their responsibility and claims don’t deny for eligibility after a high-cost procedure.
02
Commercial and Medicare Advantage plans — often through radiology benefit managers such as eviCore and Carelon — require approval for echo, nuclear stress tests, cardiac CT, catheterization and device procedures.
We request, track and document approvals by CPT code, date range and site of service, and alert your team before an authorization expires or a scheduled test changes.
03
Certified coders assign CPT, ICD-10-CM and HCPCS codes for office visits, diagnostic testing, cath lab, EP and device services, with modifiers 26, TC, 59/X{EPSU} and 25 applied only when documentation supports them.
See the cardiology CPT code table for the service lines we code every day.
04
Cath lab logs, operative reports, device reports and test interpretations are reconciled against the schedule so every billable component — including add-on vessels and imaging supervision — is captured.
Missing charges are flagged within days, not discovered months later during an audit.
05
We work every denial by root cause — authorization, medical necessity, bundling, component billing or frequency limits — and file corrected claims or appeals with the supporting documentation.
Recurring denial patterns are reported back to your team with the upstream fix, so the same denial doesn’t return next month.
06
Unpaid cardiology claims are prioritized by value and age, so high-dollar procedures are worked first.
We contact payers, track claim status, escalate stalled claims and keep your aging report current so you always know what is pending, denied, underpaid or awaiting information.
07
ERAs and EOBs are posted accurately, with contractual adjustments and patient balances recorded.
Payments for high-value procedures are compared with your contracted rates so underpayments are identified and pursued instead of written off.
08
We bill in-person and remote interrogations for pacemakers, ICDs and implantable loop recorders, plus remote physiologic monitoring and cardiac rehabilitation.
Service periods, time thresholds and frequency limits are tracked so monitoring claims aren’t denied as duplicates.
09
We support payer enrollment for new cardiologists, NPs and PAs, CAQH profile maintenance, revalidations and location updates.
Enrollment problems are one of the most common reasons claims for new providers stall — we track every application until it is approved.
CARDIOLOGY CPT CODES
The cardiology service lines our coders handle every day — and the billing detail that most often causes denials.
| CPT code(s) | Service | Billing watch-point |
|---|---|---|
| 93000 / 93005 / 93010 | Routine 12-lead ECG — complete, tracing only, interpretation only | Use the component code, not 26/TC |
| 93015–93018 | Cardiovascular stress test — global, supervision, tracing, interpretation | Pairs with nuclear or echo imaging |
| 93224 / 93241–93248 | Holter and extended external ECG monitoring | Bill by recording duration |
| 93306 / 93308 | Transthoracic echo — complete with Doppler & color / limited | 26 or TC when equipment isn’t yours |
| 93312 / 93350–93351 | Transesophageal echo / stress echocardiography | Often prior-auth controlled |
| 78452 | Myocardial perfusion imaging (SPECT), multiple studies | Usually needs RBM authorization |
| 75571 / 75574 | CT coronary calcium scoring / CT coronary angiography | Coverage and auth vary by payer |
| 93452–93461 | Diagnostic cardiac catheterization & coronary angiography | Strict NCCI bundling rules |
| 92928 (+92929) | Percutaneous coronary stent placement, single vessel (+ add-on) | Add-on vessel coding must match report |
| 93620 / 93656 | Comprehensive EP study / AF ablation with pulmonary vein isolation | Bundled components — avoid unbundling |
| 33206–33208 / 33249 | Pacemaker and ICD insertion | Device credits and FDA trial modifiers may apply |
| 93294–93296 / 93279–93289 | Remote and in-person device interrogation | Service-period and frequency limits |
| 99453–99458 / 93798 | Remote physiologic monitoring / cardiac rehabilitation with ECG | Time thresholds must be documented |
Simplified descriptors for reference. CPT® is a registered trademark of the American Medical Association. Code sets, NCCI edits and payer policies change every year — our coders verify current CMS, NCCI and payer guidance before claims are submitted.
26 / TC COMPONENT BILLING
Most cardiology diagnostic tests have two parts — the test itself and the physician’s interpretation. Billing the wrong one is one of the most common cardiology errors.
Billed with no modifier when your practice owns the equipment, employs the staff and your cardiologist interprets the study — for example an in-office echo (93306) or nuclear test.
One claim covers both the technical and professional work.
Billed with modifier 26 when your cardiologist reads a study performed on hospital or another entity’s equipment.
The facility bills the technical side. Billing globally here creates a duplicate claim and overpayment risk.
Billed with modifier TC when your practice provides the equipment, staff and supplies but another physician interprets the study.
Some services use stand-alone codes instead — such as 93005 (tracing) and 93010 (interpretation) for ECGs.
Based on CMS Medicare Physician Fee Schedule PC/TC indicators and NCCI policy. Commercial payer rules may differ.
CARDIOLOGY MODIFIERS
Most cardiology denials trace back to a small set of modifiers. Our coders check every claim against these rules — and against each payer’s own policy — before it is submitted.
| Modifier | When it applies in cardiology | Common billing risk |
|---|---|---|
| 26 | Professional component — interpretation only (e.g., reading an echo performed on hospital equipment) | Billing globally when only the read was provided |
| TC | Technical component — equipment, staff and supplies when another physician interprets | Duplicate billing with the hospital or reading provider |
| 59 / XE / XS / XP / XU | Distinct procedural service to bypass an NCCI edit when services are truly separate | Overuse is a frequent audit target; documentation must support it |
| 25 | Significant, separately identifiable E/M on the same day as a procedure or test | E/M denied without separate note support |
| 76 / 77 | Repeat procedure by the same or another physician on the same day (e.g., repeat ECG) | Denied as a duplicate without the modifier |
| LC / LD / RC / LM / RI | Coronary artery branch modifiers for PCI and add-on vessel coding | Missing branch detail on multi-vessel interventions |
| KX | Coverage requirements met under specific Medicare policies | Applied without supporting documentation |
WHO WE SERVE
Cardiology practices bill across many settings, each with different component, authorization and site-of-service rules.
Our cardiology billing services are built to support:
We adapt our workflow to how and where your cardiologists practice — not the other way around.
COMMON CHALLENGES
Generic billing teams lose cardiology revenue in predictable places. These are the problems our workflow is built to prevent.
Echo, nuclear, cardiac CT, cath and device cases often need approval — frequently from a radiology benefit manager with its own rules.
Diagnostic tests may be billed globally or split with modifiers 26 and TC depending on equipment ownership and who interprets.
Diagnostic cath, angiography, PCI and add-on vessel codes bundle in specific ways. Wrong combinations deny automatically.
Medicare NCDs and MAC LCDs define which diagnoses support stress tests, echoes and device implants.
Interrogations, remote monitoring periods and RPM codes carry frequency limits and time thresholds.
One denied ablation, PCI or ICD implant can equal dozens of office visits.
PRIOR AUTHORIZATION
Most cardiology authorization denials start at scheduling. For every ordered test or procedure we compare three records so problems are fixed while there is still time:
When the records don’t match — a stress echo approved as a TTE, or a hospital site approved for an office test — your team is alerted before the service, not after the denial.
Authorization tracker
ILLUSTRATIVE
OUR PROCESS
A structured workflow that takes your practice from onboarding to predictable, well-reported cardiology revenue.
01
We review your payer mix, service lines, EHR/PM system, denial history and aged A/R to set priorities.
02
Coverage, benefits and payer or RBM authorization confirmed before echo, nuclear, CT, cath or device cases.
03
Cath logs, reads and device reports reconciled to the schedule; CPT, ICD-10-CM and modifiers applied; clean claims submitted.
04
ERAs posted and checked against contracted rates, denials appealed and aged A/R worked by value.
05
Monthly cardiology KPIs reviewed with your team, with upstream fixes for recurring issues.
WHY SKYLINE MB
Our experience helps us understand what high-value specialty claims need: accurate coding, organized documentation, consistent follow-up and clear communication.
Authorization tracking, 26/TC checks, bundling review and device-period tracking are built into every claim — not added after a denial.
We work in your existing EHR and practice management system, so your cardiologists and staff don't have to change how they work.
Monthly reporting on collections, denials, authorizations and A/R — with the issues that need your attention highlighted.
Outsourcing repetitive billing work frees your clinical and front-desk teams to focus on patients and procedures.
One point of contact who knows your payers, service lines and providers — and joins a monthly review of your numbers.
DENIAL PREVENTION
We track every denial by root cause, payer and CPT code, then fix the upstream process so the same denial doesn’t come back next month.
IN-HOUSE VS. OUTSOURCED
Outsourced cardiology billing may make sense when your practice is seeing frequent authorization or bundling denials, growing A/R, slow follow-up on high-value claims, staff turnover, or difficulty keeping up with coding and policy changes.
It is also worth considering when you are adding cardiologists, opening a new location or bringing new testing in-house.
The right arrangement depends on your claim volume, internal resources, payer mix and the level of support you need.
SkyLine MB can review your current workflow and show which billing responsibilities could be managed externally.
| What matters for cardiology | In-house biller | Generic billing company | SkyLine MB cardiology billing |
|---|---|---|---|
| Prior authorization tracking | Often spreadsheets | Handled after scheduling | Order-to-authorization check before every test |
| 26 / TC component billing | Depends on one person | Inconsistent | Ownership & reader verified on every diagnostic test |
| Cath, PCI & EP coding | Limited procedural depth | General CPT knowledge | NCCI bundling and add-on vessel review |
| Device & remote monitoring | Easy to miss periods | Rarely tracked | Service periods tracked per patient & device |
| Coverage during absences | Billing stops | Pooled staff | Dedicated contact plus backup team |
| Reporting | Manual | Generic reports | Cardiology KPIs: auths, denials, A/R by payer |
PAYERS, COMPLIANCE & SOFTWARE
Coverage policies for cardiac testing and procedures differ between Medicare contractors, Medicare Advantage plans and commercial payers — so we verify each patient’s plan and each service individually.
Cardiology billing involves sensitive patient, diagnostic and device information. Protecting it must be part of the workflow.
SkyLine MB follows applicable HIPAA requirements, signs a Business Associate Agreement, uses role-based access and secure communication procedures, and handles patient information only as needed for billing.
Works inside your EHR & PM system
Not sure where your cardiology revenue is slipping?
Request a free cardiology billing review. We’ll look at authorization denials, 26/TC accuracy and aged A/R, and show you where claims are getting stuck.
TRANSPARENT REPORTING
No black box. Your billing contact reviews these numbers with you every month.
Pending, approved and denied auths by service and payer.
First-pass acceptance by payer and CPT family.
Grouped by reason, payer, provider and service line.
Aging buckets with high-value cardiac claims flagged.
What you collected vs. what you were owed.
Charges, RVUs and collections by cardiologist and location.
CARDIOLOGY BILLING FAQS
Cardiology billing services manage the revenue cycle for heart and vascular practices: verifying insurance, obtaining prior authorizations, coding cardiology services with CPT, ICD-10-CM and modifiers, submitting claims, posting payments, appealing denials and following up on unpaid balances.
Cardiology combines high-dollar procedures, frequent prior authorization requirements, professional and technical component billing (modifiers 26 and TC), strict NCCI bundling for cath and PCI codes, and Medicare medical necessity policies. Small errors on these claims have a large financial impact.
A global claim covers both the test and its interpretation when your practice owns the equipment and your cardiologist reads the study. Modifier 26 bills only the interpretation when the study was performed on someone else’s equipment, and modifier TC bills only the equipment, staff and supplies when another physician interprets.
Yes. We code and bill diagnostic catheterization, coronary angiography, PCI, EP studies, ablations and pacemaker or ICD procedures, reviewing operative reports and cath lab logs so every billable component is captured and bundling rules are followed.
Yes. We track authorization requirements by payer, CPT code and site of service — including radiology benefit managers such as eviCore and Carelon — and secure approvals for echo, nuclear stress tests, cardiac CT, catheterization and device procedures before the patient is seen.
Yes. We bill in-person and remote device interrogations for pacemakers, ICDs and loop recorders, along with remote physiologic monitoring and cardiac rehabilitation, tracking service periods and time requirements to avoid frequency denials.
The most common causes are missing prior authorization, diagnosis codes that don’t meet medical necessity policy, incorrect 26/TC billing, NCCI bundling conflicts, device-check frequency limits and timely filing. Our workflow is designed to prevent each of these before submission.
Yes. We work in your existing EHR and practice management system, including Epic, Oracle Health, athenahealth, eClinicalWorks, NextGen and AdvancedMD, so your clinical workflow doesn’t change.
Yes. We work with single-physician offices, growing groups and multi-location heart and vascular practices. The service arrangement depends on your claim volume, service mix and the support you need.
Yes. SkyLine MB can handle billing alongside payer enrollment, CAQH maintenance and revalidations for cardiologists, NPs and PAs. Responsibilities are agreed during the initial practice assessment.
Cardiology billing is usually priced as a percentage of net collections or a fixed monthly fee, based on claim volume, service mix and scope. SkyLine MB provides a written quote after a free billing review — there is no cost for the initial consultation.
Most practices transition in a few weeks, including the BAA, system access, payer and fee schedule mapping, and a plan for existing A/R so cash flow is protected during the changeover.
RELATED SERVICES
Payer & RBM approvals before care.
Cardiology coding & documentation review.
Benefits checked before tests.
Root-cause fixes & appeals.
Unpaid & aging claims worked.
End-to-end RCM support.
Related specialties:
GET STARTED
Your cardiologists and staff shouldn’t spend their days chasing authorizations, correcting component errors and following up on unpaid procedure claims.
SkyLine MB helps heart and vascular practices bring structure to prior authorization, coding, claim management and revenue cycle reporting.
Whether you need full outsourced billing or help with a specific problem — authorization denials, aged A/R or a coding backlog — we’re ready to discuss a solution that fits your practice.
Let’s make cardiology billing easier to manage.
