CPT 93229Cardiology

Remote 30 day ecg tech supp

CPT 93229 covers the technical support and monitoring services for a 30-day remote heart rhythm recording device that continuously tracks your heart's electrical activity outside the hospital.

Showing rates for

National Average

Base Medicare rate

$744.62

This calculator gives a typical-case estimate using standard Medicare modifier rules. Actual payment depends on payer policies, documentation, code-specific CMS status indicators, and locality. Verify before billing.

RVU breakdown

Work RVU

PE RVU (NF)

22.94

MP RVU

0.08

Total RVU

23.02

Conversion factor: 32.3465 · Source: CMS MPFS RVU25A · Confidence: High

NCCI bundling edits

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Billing tips

Verify the exact monitoring duration before billing - 93229 requires up to 30 days; shorter periods (48 hours to 7 days) should use 93224-93227
Impact: Incorrect code selection causes denials; 93229 pays $744.62 vs $139.96 for 48-hour monitoring (93227)
Bill 93229 only once per 30-day monitoring period regardless of number of transmissions received
Impact: Multiple billings within same monitoring period will be denied as duplicates, resulting in $744.62 recoupment
Ensure monitoring device meets remote transmission capability requirements - manual patient logs without transmission do not qualify
Impact: Non-compliant technology triggers denials; requires appeal with device specifications and may delay payment 60-90 days
Submit 93229 from the IDTF or facility performing technical services, not the interpreting physician's practice
Impact: Billing from wrong NPI results in denial; correct entity billing ensures first-pass acceptance and faster $744.62 payment
Wait until full 30-day monitoring period is complete before billing unless discontinued early with modifier 53
Impact: Premature billing before monitoring completion causes denials; proper timing ensures clean claims and avoids resubmission delays
Check LCD/LCA frequency limitations - most Medicare contractors limit to one 30-day monitoring per 30-day period
Impact: Frequency edits will auto-deny claims within restricted timeframe; prior authorization may override but adds 2-3 week delay

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Frequently asked questions

What is the difference between CPT 93229 and 93227?

CPT 93229 is for technical support of 30-day remote ECG monitoring, while 93227 covers up to 48 hours of monitoring. The key difference is duration: 93227 is for 48-hour to 7-day monitoring, whereas 93229 covers 7 to 30 days. Medicare pays $744.62 for 93229 versus $139.96 for 93227, reflecting the extended monitoring period and data processing requirements.

How much does Medicare pay for CPT code 93229 in 2025?

Medicare pays $744.62 for CPT 93229 in 2025 based on the national average non-facility rate. This payment is the same for both facility and non-facility settings ($744.62) because 93229 is a technical-only code with identical PE RVUs (22.94) in both settings.

Can you bill 93229 and 93228 together?

Yes, 93229 (technical component) and 93228 (professional interpretation) are typically billed together but by different entities. The facility or IDTF performing the technical monitoring bills 93229, while the interpreting physician bills 93228. When the same entity provides both services, both codes should be billed to receive complete reimbursement for the 30-day monitoring service.

What diagnosis codes are required for CPT 93229?

Common supporting diagnosis codes for 93229 include R00.2 (palpitations), R55 (syncope), I48.0-I48.2 (atrial fibrillation variants), I49.01-I49.9 (other cardiac arrhythmias), and Z86.73 (personal history of TIA/stroke). The diagnosis must justify extended 30-day monitoring rather than shorter-duration studies. Medical necessity typically requires documented failure of shorter monitoring or clinical presentation suggesting infrequent arrhythmias.

How many days of monitoring are required to bill 93229?

CPT 93229 covers monitoring up to 30 days, with a minimum duration typically greater than 7 days (7-day maximum would use 93227 instead). Most payers require documentation of at least 21-30 days of monitoring data to support billing 93229. If monitoring is discontinued early, modifier 53 should be appended with documentation of actual days monitored, which will result in reduced reimbursement.

What are the RVUs for CPT code 93229?

CPT 93229 has 23.02 total RVUs for 2025: 0 work RVUs (no physician work component as it's technical-only), 22.94 practice expense RVUs (same for both facility and non-facility), and 0.08 malpractice RVUs. This makes it one of the highest-RVU technical cardiology codes, reflecting the extensive data processing and monitoring infrastructure required for 30-day remote cardiac surveillance.

Can CPT 93229 be billed with a Holter monitor code?

No, CPT 93229 should not be billed with Holter monitor codes (93224-93227) for the same monitoring period as this represents duplicate payment for the same service. These codes are mutually exclusive within the same timeframe. However, if a patient had a 48-hour Holter (93227) that was non-diagnostic and then subsequently required extended 30-day monitoring (93229) in a separate period, both could be billed with appropriate documentation and may require modifier or appeal to overcome frequency edits.