Ecg record/review
CPT code 93268 covers the recording and review of an electrocardiogram (ECG or EKG), which monitors the electrical activity of the heart to detect irregularities in heart rhythm and function.
RVU breakdown
Conversion factor: 32.3465 · Source: CMS MPFS RVU25A · Confidence: High
Billing tips
Verify the exact monitoring duration documented in the medical record matches the code descriptor (more than 48 hours up to 21 days) before submitting the claim
Impact: Prevents 100% claim denial for duration mismatch; common denial reason accounting for 30-40% of rejections for this code
Bill the complete service code (93268) only once per monitoring period, regardless of the number of days within the monitoring window
Impact: Avoids $163.35 overpayment recoupment and potential fraud allegations for duplicate billing
Submit claims within 90 days of service completion with the interpretation date as the date of service, not the start date of monitoring
Impact: Ensures timely filing compliance and prevents automatic denials that delay payment by 30-60 days
Separate professional and technical components when different entities provide services (hospital owns equipment, cardiologist interprets)
Impact: Proper modifier 26/TC usage prevents claim splits and ensures both entities receive appropriate payment totaling $163.35
Document medical necessity for extended monitoring beyond 48 hours, including why shorter-duration monitoring (93224-93227) was inadequate
Impact: Reduces medical necessity denials by 60-70% and supports coverage for the higher-valued extended monitoring service
Ensure the final interpretation report includes correlation of symptoms recorded in the patient diary with ECG findings during those timeframes
Impact: Strengthens medical record for audit defense and increases clean claim rate by 25-30% for this frequently audited code
Common denials
Monitoring duration does not meet the 'more than 48 hours' minimum requirement documented in the medical record
How to appeal: Submit monitoring device data logs showing actual recording duration exceeded 48 hours. Include technical report timestamps and patient return date documentation. Reference LCD/NCD guidelines supporting extended monitoring medical necessity.
Missing or incomplete physician interpretation report in the medical record at time of audit
How to appeal: Provide complete signed and dated interpretation report with rhythm analysis, correlation to patient symptoms, and clinical impression. Demonstrate report was completed within reasonable timeframe of monitoring completion. Include attestation statement if timing is questioned.
Medical necessity not established for extended monitoring versus standard 24-48 hour Holter monitoring
How to appeal: Submit documentation showing intermittent symptom pattern requiring longer capture window, previous negative shorter-duration studies, or specific clinical guidelines recommending extended monitoring for the patient's condition. Include peer-reviewed literature supporting extended monitoring for the specific indication.
Duplicate billing denial when multiple monitoring periods overlap or occur in close succession
How to appeal: Provide timeline documentation showing distinct, non-overlapping monitoring periods with clear medical justification for repeat testing. Use modifier 76 or 77 as appropriate. Include clinical notes documenting changed patient condition or new symptoms warranting repeat evaluation.
Frequently asked questions
What is the Medicare reimbursement rate for CPT code 93268 in 2025?
The 2025 Medicare national average reimbursement rate for CPT code 93268 is $163.35 for both facility and non-facility settings. This rate is based on 5.05 total RVUs multiplied by the 2025 conversion factor of 32.3465.
How many days of ECG monitoring does CPT 93268 cover?
CPT 93268 covers external electrocardiographic recording for more than 48 hours up to 21 days of continuous rhythm recording and storage. The monitoring period must exceed 48 hours to qualify for this code; shorter durations require different CPT codes (93224-93227).
Can CPT 93268 be billed more than once during the same monitoring period?
No, CPT 93268 should be billed only once per complete monitoring period regardless of the number of days within that period (up to 21 days). Billing multiple times for the same continuous monitoring period constitutes duplicate billing and will result in denial or recoupment.
What is the difference between CPT 93268 and 93270?
CPT 93268 includes the complete service (recording, scanning analysis with report, review and interpretation), while CPT 93270 represents only the recording component (hook-up, recording, and disconnection). Code 93270 is used when billing the technical component separately from interpretation services.
Do I need to use modifier 26 or TC when billing CPT 93268?
Use modifier 26 when billing only the professional component (physician interpretation) and modifier TC when billing only the technical component (equipment and recording services). If your practice provides both components, bill 93268 without modifiers as a global service.
What documentation is required to support medical necessity for CPT 93268?
Required documentation includes the clinical indication for extended monitoring (such as intermittent palpitations or syncope), justification for monitoring beyond 48 hours, patient symptom diary, complete physician interpretation report with rhythm analysis, and correlation of symptoms with ECG findings during the monitoring period.
How does CPT 93268 differ from standard Holter monitoring codes?
CPT 93268 covers extended monitoring for more than 48 hours up to 21 days, while standard Holter monitoring codes (93224-93227) cover up to 48 hours of recording. The extended duration code (93268) is used when intermittent symptoms require longer observation periods to capture cardiac events that may not occur within 48 hours.