CPT 77295Radiology

3-d radiotherapy plan

CPT 77295 covers the development of a 3-dimensional radiation therapy treatment plan, where physicians use advanced imaging to map out precisely how radiation will be delivered to treat cancer while protecting surrounding healthy tissue.

Showing rates for

National Average

Base Medicare rate

$471.94

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

4.29

PE RVU (NF)

10.06

MP RVU

0.24

Total RVU

14.59

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

NCCI bundling edits

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Billing tips

Bill 77295 only once per treatment course, not per treatment site or per fraction
Impact: Prevents automatic denials and recoupment; duplicate billing for the same planning session can trigger $471.94+ overpayment recovery
Document the number of treatment areas, beam arrangements, and dose distributions in the treatment plan to support medical necessity
Impact: Reduces denial risk by 60-70%; clear documentation of complexity supports the 4.29 work RVUs assigned to this code
Ensure the treatment plan includes tissue heterogeneity corrections and dose-volume histogram analysis to meet 3-D planning criteria
Impact: Differentiates 77295 from simpler 2-D planning (77263) which reimburses significantly less; missing these elements may trigger downcoding
Submit 77295 after the simulation procedure (77280-77290) and before treatment delivery (77401-77416) with appropriate date sequencing
Impact: Proper chronological billing prevents edit denials; planning must occur after simulation but before treatment initiation
When re-planning is medically necessary mid-treatment, append modifier 76 and document the clinical reason (tumor progression, anatomy changes, or dose constraints)
Impact: Allows additional $471.94 payment when justified; without modifier and documentation, second planning claim will deny as duplicate
Verify that CT simulation datasets, structure contouring, and beam's-eye-view images are archived and retrievable for audit purposes
Impact: Critical for post-payment audits; missing digital planning data can result in full recoupment of $471.94 per case reviewed

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Frequently asked questions

What is the Medicare reimbursement rate for CPT 77295 in 2025?

The 2025 Medicare national average reimbursement for CPT 77295 is $471.94 for both facility and non-facility settings. This is based on 14.59 total RVUs (4.29 work RVU + 10.06 PE RVU + 0.24 MP RVU) multiplied by the 2025 conversion factor of 32.3465.

How many times can you bill CPT 77295 for a single patient?

CPT 77295 should typically be billed only once per treatment course. Additional billing requires modifier 76 and clear documentation of medical necessity for re-planning, such as significant tumor changes, patient anatomy alterations, or treatment response requiring plan modification. A new treatment course after recurrence or a new primary cancer would allow a separate 77295 charge.

What is the difference between CPT 77295 and 77263?

CPT 77295 represents 3-dimensional radiotherapy planning with tissue heterogeneity corrections and complex dose calculations, while 77263 is simple therapeutic radiation treatment planning without 3-D imaging. 77295 involves volumetric imaging datasets, dose-volume histograms, and multi-planar dose distributions, making it appropriate for more complex cases and reimbursing at a higher rate.

Can CPT 77295 be billed with modifier 26 for professional component only?

Yes, modifier 26 can be appended when billing only the professional component in settings where the physician does not own the planning equipment. However, for 77295 specifically, the 2025 Medicare facility and non-facility rates are identical at $471.94, which is unusual. Verify payer-specific policies as some may have different professional/technical component splits.

What documentation is required to support billing CPT 77295?

Required documentation includes simulation imaging datasets, target volume definitions (GTV/CTV/PTV), organs-at-risk contouring, beam arrangements, tissue heterogeneity corrections, dose-volume histograms, isodose distributions in multiple planes, dose prescription, and physician approval signature. The treatment plan must demonstrate 3-D planning complexity with volumetric calculations.

How many RVUs is CPT 77295 worth in 2025?

CPT 77295 has 14.59 total RVUs in 2025, consisting of 4.29 work RVUs, 10.06 practice expense RVUs (both facility and non-facility), and 0.24 malpractice RVUs. This represents significant physician work and technical resources for 3-D radiation treatment planning.

What are common denial reasons for CPT 77295 claims?

Common denials include duplicate billing when charged multiple times per treatment course without proper modifiers, medical necessity questions when 3-D planning complexity is not documented, bundling with simulation codes, and insufficient documentation showing tissue heterogeneity corrections and volumetric dose calculations that distinguish 3-D planning from simpler approaches.