CPT 22904Surgery

Radical resect abd tumor<5cm

CPT code 22904 covers the surgical removal of a cancerous or aggressive tumor in the abdomen that measures less than 5 centimeters in diameter. This is a complex surgical procedure requiring extensive tissue removal beyond what would be done in a simple tumor excision.

Showing rates for

National Average

Base Medicare rate

$1,021.83

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

16.69

PE RVU (NF)

11.21

MP RVU

3.69

Total RVU

31.59

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

NCCI bundling edits

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Billing tips

Clearly document tumor size measurement (must be <5cm) in at least two dimensions in the operative report, as measured after excision; sizing determines code selection between 22904 and 22905
Impact: Incorrect size documentation can result in downcoding from 22905 (5cm or greater, $1523.75) or upcoding denial if actual size exceeds 5cm
Include photographic documentation of tumor extent and depth of resection showing involvement of muscle/fascia layers to support radical versus simple excision coding
Impact: Prevents downcoding to simple excision codes (11400-11406 series, $150-400 range) which would result in $600+ underpayment
Document pathology confirmation of tumor type and margin status; radical resection implies oncologic principles with wide margins, not simple enucleation
Impact: Missing pathology correlation increases audit risk and may trigger recoupment of the $1021.83 payment if medical necessity cannot be established
When mesh or tissue reconstruction is performed, bill separately with appropriate codes (15734-15738 for muscle flaps or 49568 for mesh) as these are not bundled with 22904
Impact: Additional $500-3000+ in legitimate reimbursement for complex reconstruction depending on technique and extent
Append modifier 22 for unusual complexity only when operative time exceeds typical 90-120 minutes by at least 25% and document specific anatomic challenges
Impact: Successful modifier 22 appeals can increase payment by $200-300, but poorly documented claims are routinely denied
Verify pre-authorization requirements with commercial payers before scheduling; many require peer-to-peer review for procedures with RVUs exceeding 30

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Frequently asked questions

What is the Medicare reimbursement rate for CPT code 22904 in 2025?

The 2025 Medicare national average reimbursement rate for CPT 22904 is $1021.83 for both facility and non-facility settings, based on 31.59 total RVUs and the 2025 conversion factor of 32.3465.

What is the difference between CPT 22904 and 22905?

CPT 22904 is used for radical resection of abdominal wall tumors measuring less than 5 centimeters, while 22905 is for tumors 5 centimeters or greater. The tumor size is measured in its largest dimension on the excised specimen, and accurate measurement documentation is critical for proper code selection.

Can CPT 22904 be billed with mesh repair codes?

Yes, mesh placement or complex reconstruction codes (such as 49568 for mesh implantation or muscle flap codes 15734-15738) can be billed separately with 22904 as they represent distinct procedures not bundled in the primary tumor resection code. Documentation must clearly delineate the separate reconstruction phase.

What documentation is required to bill CPT 22904 instead of a simple excision code?

Documentation must demonstrate radical resection principles including wide margins beyond the tumor capsule, excision through muscle/fascia layers (not just subcutaneous tissue), pathology confirmation of malignant or aggressive tumor histology, and surgical approach consistent with oncologic rather than cosmetic principles. Simple subcutaneous tumor removal should be coded with excision codes 11400-11406.

How many RVUs is CPT code 22904 worth in 2025?

CPT 22904 has 31.59 total RVUs in 2025, consisting of 16.69 work RVUs, 11.21 practice expense RVUs, and 3.69 malpractice RVUs. Both facility and non-facility settings have the same RVU values for this code.

What specialties typically bill CPT code 22904?

CPT 22904 is most commonly billed by surgical oncologists, general surgeons with oncology training, orthopedic oncologists, and plastic surgeons performing complex tumor resections. The procedure requires specialized training in oncologic resection principles and is typically performed in hospital settings.

Does CPT 22904 require pre-authorization from insurance companies?

Pre-authorization requirements vary by payer, but most commercial insurance companies require prior authorization for CPT 22904 due to its high RVU value (31.59) and specialty nature. Medicare does not require pre-authorization, but documentation of medical necessity must be maintained. Always verify specific payer requirements before scheduling.