CPT 77469Radiology

Io radiation tx management

CPT code 77469 covers the physician's work in managing intraoperative radiation therapy (IORT), which is radiation delivered directly to a tumor site during surgery while the patient is on the operating table. This is a single-session treatment that requires specialized equipment and physician oversight during the surgical procedure.

Showing rates for

National Average

Base Medicare rate

$314.73

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

5.75

PE RVU (NF)

3.5

MP RVU

0.48

Total RVU

9.73

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

NCCI bundling edits

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Billing tips

Bill 77469 only once per operative session regardless of the number of radiation fields or duration of IORT delivery, as this is a per-session management code, not time-based
Impact: Prevents denials for duplicate billing; ensures compliance with CPT guidelines; attempting multiple units results in 100% denial of additional units
Ensure operative report clearly documents the radiation oncologist's presence throughout IORT delivery, including pre-delivery planning, real-time monitoring, and immediate post-delivery assessment
Impact: Critical for audit defense; missing contemporaneous documentation can result in $314.73 recoupment plus potential fraud investigation
Verify that the technical component of IORT (CPT 77424) is billed separately by the facility or technical provider, not bundled with 77469 physician management services
Impact: Ensures complete reimbursement; 77469 captures only physician work while 77424 captures equipment and technical staff costs (separate payment stream)
Coordinate billing with the surgical team to ensure proper sequencing and modifier usage when IORT management is performed concurrently with the primary surgical procedure
Impact: Prevents NCCI bundling denials; proper coordination can preserve 100% of the $314.73 reimbursement that might otherwise be denied
Document the medical necessity for IORT in the pre-operative assessment, including tumor characteristics, patient factors, and multidisciplinary decision-making that led to IORT selection over conventional fractionated radiation
Impact: Supports medical necessity for payer review; inadequate justification is the leading cause of denials costing the full $314.73 payment

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Frequently asked questions

What is the Medicare reimbursement rate for CPT code 77469 in 2025?

The 2025 Medicare national average reimbursement for CPT 77469 is $314.73 for both facility and non-facility settings. This rate is based on 9.73 total RVUs (5.75 work RVU + 3.5 practice expense RVU + 0.48 malpractice RVU) multiplied by the 2025 conversion factor of 32.3465.

How many times can you bill CPT 77469 during a single surgical procedure?

CPT 77469 should be billed only once per operative session regardless of how many radiation fields are treated or how long the IORT delivery takes. The code represents the complete management service for intraoperative radiation therapy during a single surgical encounter, and billing multiple units will result in denials for duplicate services.

What is the difference between CPT 77469 and 77424 for IORT billing?

CPT 77469 represents the physician's professional management services during intraoperative radiation therapy, while CPT 77424 is the technical component code for the actual radiation delivery including equipment and technical staff. The physician bills 77469 ($314.73), while the facility separately bills 77424 for the technical resources and equipment costs.

Do you need to use modifier 26 when billing CPT 77469?

No, modifier 26 is not appropriate for CPT 77469 because this code already represents only the professional component of IORT management. The code descriptor includes only physician work and supervision, with identical facility and non-facility rates ($314.73), indicating there is no separate technical component included in this code.

What documentation is required to support billing CPT 77469?

Required documentation includes a pre-procedure assessment with IORT rationale, operative report documenting the radiation oncologist's continuous presence and participation, specific radiation parameters (dose, energy, field size), real-time monitoring notes, immediate post-delivery assessment, and coordination documentation with the surgical team. The operative report must clearly show the radiation oncologist was present throughout the procedure, not just for planning or follow-up.

Can CPT 77469 be billed with the surgical procedure code on the same day?

Yes, CPT 77469 can and should be billed separately from the surgical procedure code when IORT management is provided during surgery. However, you may need to use modifier 59 to indicate this is a distinct service not bundled with the surgery, depending on NCCI edits. Ensure documentation clearly shows the separate nature of the radiation oncologist's management services versus the surgeon's work.

What are the work RVUs for CPT code 77469?

CPT code 77469 has 5.75 work RVUs in 2025, which reflects significant physician effort including pre-procedure planning, continuous intraoperative presence and monitoring, coordination with surgical team, and immediate post-delivery assessment. Combined with practice expense (3.5 RVUs) and malpractice (0.48 RVUs), the total RVU value is 9.73, making this a moderately high-value radiation oncology service.