CPT code 93297 – Implantable cardiovascular monitor remote monitoring

Key takeaways

CPT Code 93297 is a global code for remote interrogation of an implantable cardiovascular monitor over a period of up to 30 days.

Split it with modifier 26 for the review work and modifier TC for the equipment and data collection. There is no separate technical-component CPT code.

93296 is the technical code for remote pacemaker and defibrillator monitoring over 90 days. It is not the technical partner to 93297.

93298 is a standalone global code for subcutaneous cardiac rhythm monitors, including loop recorders. It is not an add-on to 93297.

Pabau, our practice management software, tracks 93297 documentation and claim status so no 30-day period gets billed twice.

CPT Code 93297: Definition and official descriptor

CPT Code 93297 covers remote interrogation of an implantable cardiovascular monitor system over a period of up to 30 days. The American Medical Association publishes the long descriptor below. It is set out here in the four parts that carry the billing logic, in the order the AMA prints them.

93297 is a global code. One claim covers the technical work of collecting and transmitting the data, plus the professional work of reading it and signing the report. Modifier 26 and modifier TC split those halves when two entities share them. No separate technical-component CPT code exists for this service.

The technical-only codes that once accompanied 93297 have been retired. CPT deleted 93299 in 2020. CMS then published HCPCS code G2066 as an interim replacement and deleted that code effective January 1, 2024. The 2024 Medicare Physician Fee Schedule final rule assigned technical values to 93297 itself.

Eligible devices and services covered under CPT 93297

CPT Code 93297 applies to implantable cardiovascular monitor (ICM) systems. These devices sit inside the heart or the vasculature and record physiologic measurements rather than rhythm strips alone. Pulmonary artery pressure is the most familiar example, used to guide heart failure management between office visits.

• Implantable hemodynamic monitors: pressure sensors implanted in the pulmonary artery to guide diuretic and medication adjustments in heart failure
• Multi-parameter cardiovascular monitors: devices that record more than one physiologic data element from internal or external sensors
• Remote transmission requirement: the device must transmit to a monitoring system; in-person interrogation of an ICM is reported under 93290 instead
• Minimum 30 days: the code is reported once per 30-day period and is not reportable when the period runs shorter

Loop recorders belong to a different code. A subcutaneous cardiac rhythm monitor, which is the current CPT name for an implantable loop recorder, is interrogated remotely under 93298. Check the implant code in the chart if you are unsure. CPT 33285 marks a subcutaneous cardiac rhythm monitor, which points to 93298 rather than 93297.

Run insurance eligibility verification before submitting 93297 claims. Some commercial payers apply monitor-specific prior authorization rules that differ from Medicare policy. Confirm with your Medicare Administrative Contractor (MAC) whether a local coverage determination (LCD) modifies national coverage in your jurisdiction.

Who can bill CPT Code 93297?

A physician or another qualified health care professional may report CPT Code 93297. The official descriptor names both, so a nurse practitioner or physician assistant who performs and signs the review can be the reporting professional. What decides the claim is the split between equipment and review, not the reviewer’s credential alone.

Cardiologists and cardiac electrophysiologists report 93297 most often. A practice that owns the monitoring equipment and employs the reviewing professional reports the global code. Where an independent diagnostic testing facility or a device manufacturer runs the monitoring service, that entity reports 93297-TC and the reading practice reports 93297-26.

Duplicate global billing is the error to watch for. If the monitoring company has already billed the technical half, a global 93297 from the practice overlaps it. One of the two claims will be denied, and the overlap usually surfaces months later on audit.

CPT 93297 Medicare reimbursement rates (2025-2026)

Medicare pays CPT Code 93297 under the CMS Physician Fee Schedule (MPFS). The amount depends on which modifier you append and on your geographic practice cost index locality. Several MACs still price elements of this code at contractor level, so a published national average can differ from what lands in your remittance.

Check the work RVU, practice expense RVU, and malpractice RVU for each billing form before you set revenue expectations. Locality adjustment moves the payment meaningfully above or below any national figure. Rates change every January 1, so read the current year’s file rather than a cached number.

A third-party tool such as the FastRVU RVU lookup speeds up that check. The CMS fee schedule search still gives the figure a payer will honor, so treat any other lookup as a shortcut rather than a source.

Tracking electronic remittance advice responses for 93297 is the fastest way to spot rate discrepancies. It also catches MAC-level adjustments and underpayments before they build up across a billing cycle.

Billing frequency rules for CPT 93297

CPT Code 93297 is reported once per 30-day period. CPT instructs that the code is not reportable for a period shorter than 30 days, so a partial month cannot be submitted early. CMS also applies a medically unlikely edit of one unit per date of service.

• One report per 30-day period: a second 93297 for the same patient and device inside the same window is denied as a frequency conflict
• No short periods: where monitoring starts mid-month, wait until 30 days of data exist before submitting the claim
• No overlapping windows: consecutive periods must not overlap, so track the start date per patient rather than per calendar
• No global period: 93297 carries none, so it can be reported in the same month as an office visit when the review is documented separately
• MAC LCD variations: some MACs add frequency limits or prior authorization for specific populations, so confirm the LCD before setting a cadence

Good medical billing workflows set the next 93297 due date from each patient’s own period end date. A calendar-month trigger drifts out of step with the 30-day rule and produces early submissions that payers reject.

CPT 93297 documentation requirements

Missing documentation is the primary trigger for 93297 denials. CMS and most commercial payers expect a complete package before they accept the claim. The record has to show that a qualified professional reviewed the transmitted data and reached a clinical interpretation from it.

• Signed review and report: a dated, signed statement naming who reviewed the transmitted data, what it showed, and what clinical decisions followed
• Device interrogation report: the output from the monitoring platform, showing the recorded physiologic data elements and any alerts from the period
• Date range covered: the start and end dates of the 30-day period being reported, stated explicitly in the record
• Medical necessity statement: the clinical indication for ongoing monitoring, such as heart failure managed against pulmonary artery pressure trends
• Reporting professional: the reviewer’s name, credentials, and NPI must be identifiable in the claim documentation
• Component split: where the practice reports 93297-26 only, note which entity supplied the equipment and collected the data

Thorough medical billing compliance treats that checklist as a pre-submission gate rather than a post-denial fix. A well-structured superbill process captures the signed review, the date range, and the device report reference in one step.

Which modifiers apply to 93297

Modifier 26 and modifier TC are the two that matter on CPT Code 93297. They split the global code between the entity that owns the monitoring equipment and the professional who reads the data. Telehealth modifiers rarely apply, because 93297 already describes remote data review rather than a patient encounter.

Appending a telehealth modifier to 93297 is a common error. The service is remote by definition, so GT and 95 carry no meaning here and can trigger a claim edit. Confirm current requirements with your MAC and the AAPC coding reference before you append a third modifier.

ICD-10 diagnosis codes commonly paired with CPT 93297

The ICD-10-CM diagnosis paired with CPT Code 93297 has to match the indication documented for the implanted monitor. The codes below cover the conditions that most often justify ongoing hemodynamic monitoring.

Check the official wording against the ICD-10-CM codes index before you submit. These are examples rather than mandated pairings, and the chart must support whichever code you send.

Rhythm indications sit with a different code. Syncope, cryptogenic stroke workup, and atrial fibrillation surveillance point to a subcutaneous cardiac rhythm monitor, which is reported under 93298. Submitting one of those diagnoses against 93297 signals a device mismatch to the payer.

Place of service codes for CPT 93297

Place of service (POS) determines whether Medicare applies the facility or non-facility rate to CPT Code 93297. The POS must reflect where the reviewing professional did the work. It is not the patient’s location, and it is not where the implanted device sits.

CPT 93297 vs 93296, 93298 and the rest of the family

CPT Code 93297 sits inside a family of remote cardiac device monitoring codes. Each one is tied to a device class and a reporting period, and none of them is an add-on to another. Choosing by device first and period second removes most of the confusion in this range.

Two mistakes come up repeatedly in this range. The first treats 93296 as the technical partner to 93297. 93296 carries the technical work for remote pacemaker and defibrillator monitoring over 90 days, alongside professional codes 93294 and 93295. It has no bearing on implantable cardiovascular monitors.

The second mistake treats 93298 as an add-on to 93297. 93298 carries no add-on symbol and no primary-code instruction. It is a standalone global code for a different device, so you report one or the other according to what was implanted. Reporting both for the same device is a duplicate.

Both mistakes disappear once the two decisions are taken in order. The chart below settles the device question first, then the component question for 93297.

Common denial reasons for CPT 93297 and how to avoid them

Most CPT Code 93297 denials fall into a small number of predictable categories. Proactive denial management workflows catch them before submission rather than after the remittance advice arrives.

• Period shorter than 30 days: submitting before a full 30-day window closes is the most common frequency denial on this code
• Duplicate global billing: reporting 93297 globally when a monitoring company has already billed 93297-TC produces an overlap denial
• Wrong device class: reporting 93297 for a loop recorder rather than 93298 is a device mismatch that payers catch on review
• Missing signed review: the claim pays only when a signed report documents the interpretation; a platform printout alone is not enough
• Incorrect place of service: a facility POS when the review happened at the office creates a rate discrepancy and can trigger a denial
• Unsupported ICD-10 pairing: a diagnosis outside the applicable LCD’s covered list produces a medical necessity denial
• Stray modifiers: appending a telehealth modifier to an already-remote service leads to avoidable claim edits

Reviewing denial codes each month gives practices early warning on 93297 patterns. Each denial type above maps to a Claim Adjustment Reason Code (CARC) on the remittance advice.

How practice management software supports CPT 93297 billing

Remote cardiac monitoring is operationally heavy. A cardiologist following 200 monitored patients runs 200 separate 30-day cycles, each starting on its own date. Every cycle needs a documentation package, a signed review, and a correctly coded claim.

Pabau, our practice management software, gives cardiac practices one workflow for that load. Its claims management software holds the signed review and the period dates in a structured record attached to the patient. Period tracking flags a second 93297 inside the same 30-day window before the claim leaves the practice.

Submitting 93297 claims through Claim.MD, our integrated US clearinghouse, adds payer eligibility checks and 837 validation before the claim goes out. Catching a missing signature or the wrong POS there saves weeks of follow-up per denied claim.

Revenue cycle management improves for 93297-heavy practices when period tracking, documentation checks, and 837 claim file submission live in one system. Reconciling remittance responses against expected 93297 payments becomes a report rather than a manual cross-reference.

Reduce 93297 denials with smarter billing workflows

Pabau centralizes cardiac monitoring documentation, tracks claim status, and flags 30-day period conflicts before they reach a payer. See how practices cut remote monitoring denials with structured workflows.

Book a demo

Conclusion

CPT Code 93297 produces steady revenue for cardiology and electrophysiology practices, and its denial rate is higher than it needs to be. Short periods, duplicate global billing, and unsigned reviews are all preventable before the claim goes out.

Pabau’s documentation templates and its Claim.MD connection give cardiac practices the structure to bill 93297 accurately across a full monitored panel. To see how Pabau handles remote cardiac monitoring billing, book a demo with the team.

Continue your research

Need to understand how clearinghouse claim validation works? Claim.MD clearinghouse overview explains how electronic claim scrubbing catches errors before they reach a payer.

Struggling with claim denial follow-up workflows? Submitting a clean claim covers the elements every 93297 submission needs to pass payer edits on the first attempt.

Want a deeper look at cardiac billing reimbursement data? Best medical billing software in the US reviews platforms that support remote monitoring billing workflows for cardiology practices.

Frequently asked questions