CPT 93242Cardiology

Ext ecg>48hr<7d recording

CPT code 93242 covers the technical component of extended heart rhythm monitoring that records your heart's electrical activity continuously for more than 48 hours but less than 7 days. This is the service of providing the recording device and processing the data, not the physician's interpretation.

Showing rates for

National Average

Base Medicare rate

$11.32

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)

0.34

MP RVU

0.01

Total RVU

0.35

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

NCCI bundling edits

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Billing tips

Always bill 93242 with companion code 93241 (professional interpretation component) to capture full reimbursement
Impact: 93241 pays approximately $62-68 nationally, meaning missing this code loses 85% of total revenue for the service
Verify the exact duration of monitoring before billing - if monitoring extends 7+ days, use 93243/93244 instead to avoid automatic denials
Impact: Wrong duration code results in 100% claim denial and 30-60 day payment delay while correcting
Document the specific medical indication and why shorter monitoring (24-48hr Holter) was inadequate
Impact: Prevents medical necessity denials which account for 35-40% of 93242 claim rejections
Check payer-specific frequency limitations - most allow only one extended monitoring per 30-day period without prior authorization
Impact: Repeat monitoring within 30 days without authorization results in automatic denial of $11.32 plus associated professional fees
Bill separately for each monitoring period, not per day - 93242 is per complete monitoring session regardless of days within 48hr-7day range
Impact: Billing per day instead of per session constitutes unbundling and triggers recoupment of overpayments
For Medicare patients, verify the device meets FDA and Medicare coverage requirements for extended monitoring
Impact: Non-covered devices result in beneficiary liability and potential compliance issues; confirm device on approved list

Common denials

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Frequently asked questions

What is the Medicare reimbursement rate for CPT 93242 in 2025?

The 2025 Medicare national average reimbursement for CPT 93242 is $11.32 for both facility and non-facility settings. This represents only the technical component; the professional interpretation component (93241) must be billed separately and reimburses approximately $62-68 nationally.

What is the difference between CPT 93242 and 93224?

CPT 93224 is for external ECG monitoring up to 48 hours (Holter monitoring technical component), while 93242 covers extended monitoring greater than 48 hours but less than 7 days. The duration of monitoring determines which code to use - 93224 for shorter, 93242 for intermediate duration monitoring.

Can I bill CPT 93242 and 93241 together?

Yes, 93242 (technical component) and 93241 (professional interpretation) should be billed together for complete extended ECG monitoring services. The technical component (93242) is typically billed by the facility/practice providing the equipment, while 93241 is billed by the physician interpreting the results. Together they represent the global service.

How often can CPT 93242 be billed for the same patient?

Most Medicare contractors and commercial payers limit extended cardiac monitoring codes to once per 30-day period without prior authorization. Repeat monitoring within 30 days requires documentation of new symptoms, medication changes, or other clinical justification for repeated testing, and may require prior authorization.

What RVU value does CPT 93242 have in 2025?

CPT 93242 has a total RVU of 0.35 in 2025, consisting of 0 work RVU, 0.34 practice expense RVU, and 0.01 malpractice RVU. This is among the lowest RVU values for cardiac monitoring codes, reflecting its technical-only nature.

What documentation is required to bill CPT 93242?

Required documentation includes the medical indication for extended monitoring, exact start and stop times proving >48 hours but <7 days duration, device type used, patient instructions provided, confirmation of data acquisition and transmission, and generation of a technical report for physician interpretation. Documentation must justify why extended monitoring beyond standard 48-hour Holter was medically necessary.

What is the difference between CPT 93242 and 93243?

CPT 93242 is for extended ECG monitoring greater than 48 hours up to 7 days, while 93243 covers monitoring of 7 days up to 15 days duration. The codes are duration-specific and should be selected based on the actual monitoring period prescribed and completed. Using the wrong code for the actual duration will result in claim denial.