CPT 23220Surgery

Resect prox humerus tumor

CPT code 23220 covers the surgical removal of a tumor from the upper part of the arm bone (proximal humerus), near the shoulder. This is a major orthopedic oncology procedure involving bone resection and often reconstruction.

Showing rates for

National Average

Base Medicare rate

$1,892.92

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

30.21

PE RVU (NF)

22.15

MP RVU

6.16

Total RVU

58.52

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

NCCI bundling edits

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Billing tips

Obtain pre-authorization with complete imaging, pathology reports, and tumor board documentation before scheduling. Include specific tumor type, size (in cm), and planned reconstruction approach.
Impact: Prevents $1892.92 denial; pre-auth denial rate for oncologic procedures without proper documentation exceeds 40%
Document medical necessity thoroughly including tumor size, location, pathology confirmation, and why less invasive approaches are not appropriate. Include MDM showing conservative treatment failure or malignancy confirmation.
Impact: Reduces denial risk by 60-70%; medical necessity denials account for 35% of oncologic procedure rejections
Bill reconstruction procedures separately when performed (bone grafting, prosthetic reconstruction) using appropriate add-on codes. Do not assume bundling without checking NCCI edits.
Impact: Can add $500-2000+ to reimbursement depending on reconstruction complexity; commonly undercoded
Use modifier 22 with detailed operative report when tumor involves neurovascular structures, requires extensive dissection, or exceeds 5cm. Include specific time documentation and comparison to typical case.
Impact: Can increase reimbursement by $378-946 (20-50% increase) when properly documented with comparative rationale
Verify global period coverage with patient's insurance; 23220 has a 90-day global period. Bill separately for unrelated E/M services with modifier 24 or complications requiring return to OR with modifier 78.
Impact: Prevents bundling of legitimate services; can recover $150-500 per visit for appropriately modified services
Coordinate billing with pathology department for frozen section analysis, permanent pathology, and margin assessment. Ensure tumor registry reporting is complete for cancer cases.

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Related actions

Common denials

Medical necessity not established - lack of pre-operative imaging, pathology confirmation, or documentation of conservative treatment consideration

How to appeal: Submit complete appeal packet including: pre-operative MRI/CT reports showing tumor characteristics, biopsy pathology report confirming diagnosis, operative report with findings, tumor board notes if available, and literature supporting surgical intervention for the specific tumor type and size. Include physician letter explaining why observation or less invasive treatment was inappropriate.

Insufficient documentation of tumor size, location, and margins - operative report lacks specificity required for oncologic resection coding

How to appeal: Provide supplemental operative report addendum specifying tumor dimensions in three planes, exact anatomic location on proximal humerus, margin status (wide, marginal, intralesional), neurovascular involvement, and bone reconstruction performed. Include pathology report confirming margins and tumor characteristics.

Denial for experimental/investigational treatment when limb-sparing surgery is questioned versus amputation, or when novel reconstruction techniques are used

How to appeal: Submit peer-reviewed literature establishing limb-sparing surgery as standard of care for the specific tumor type. Include NCCN guidelines, tumor board consensus, and functional outcome data. Obtain peer-to-peer review with medical director emphasizing current oncologic standards favoring limb preservation when oncologically safe.

Bundling denial when reconstruction codes are submitted separately or when bone grafting is billed in addition to primary resection

How to appeal: Reference NCCI edits and CCI manual showing reconstruction is separately reportable. Provide operative report clearly delineating distinct resection and reconstruction phases. Cite CPT guidelines and parenthetical notes supporting separate reporting. Include time documentation showing reconstruction constituted significant additional work beyond tumor removal.

Frequently asked questions

What is the Medicare reimbursement rate for CPT 23220 in 2025?

The 2025 Medicare national average reimbursement for CPT 23220 is $1892.92 for both facility and non-facility settings. This rate is based on 58.52 total RVUs (30.21 work RVU, 22.15 practice expense RVU, 6.16 malpractice RVU) multiplied by the 2025 conversion factor of 32.3465. Actual reimbursement may vary based on geographic locality adjustments.

Does CPT 23220 require pre-authorization from Medicare or private insurance?

Yes, CPT 23220 typically requires pre-authorization from most private payers and Medicare Advantage plans due to its surgical nature and high reimbursement. While traditional Medicare does not require pre-authorization, documentation of medical necessity including imaging, pathology, and treatment rationale must be available. Submit pre-authorization requests with complete imaging studies, biopsy results, tumor staging, and planned surgical approach to avoid delays or denials.

Can CPT 23220 be billed with bone grafting or reconstruction codes?

Yes, reconstruction procedures performed during proximal humerus tumor resection may be separately reportable depending on NCCI edits and payer policy. Common add-on procedures include bone grafting (20900-20902), prosthetic reconstruction, and soft tissue reconstruction. Review current NCCI edit tables and ensure the operative report clearly documents distinct resection and reconstruction components. Modifier 59 or XS may be required to indicate distinct procedural services when appropriate.

What is the global period for CPT 23220?

CPT 23220 has a 90-day global surgical period. This means all routine postoperative care for 90 days following surgery is included in the $1892.92 payment. To bill separately for services during the global period, use modifier 24 for unrelated E/M services, modifier 58 for staged or related procedures, or modifier 78 for return to OR due to complications. New problems unrelated to the surgery may be billed separately with appropriate documentation.

When should modifier 22 be used with CPT 23220?

Modifier 22 (increased procedural services) should be used with CPT 23220 when the tumor resection requires significantly greater complexity than typical, such as: tumors exceeding 8-10cm, extensive neurovascular involvement requiring microsurgical dissection, pathological fracture requiring stabilization, or extensive soft tissue involvement. Documentation must compare the actual case to a typical 23220 procedure, include operative time at least 50% longer than usual, and detail specific complexity factors. Include a cover letter with percentage increase requested (typically 20-50%).

What diagnosis codes support medical necessity for CPT 23220?

CPT 23220 is supported by ICD-10 codes for benign and malignant bone tumors of the proximal humerus including: C40.01 (malignant neoplasm of scapula and long bones of right upper limb), C40.02 (left upper limb), D16.01/D16.02 (benign neoplasm), C79.51 (secondary malignant neoplasm of bone), and specific tumor codes like osteosarcoma, chondrosarcoma, or giant cell tumor. Documentation must link the diagnosis to imaging findings, pathology confirmation, and medical necessity for surgical resection versus observation or less invasive treatment.

How does CPT 23220 differ from other shoulder tumor resection codes?

CPT 23220 specifically covers resection of tumors from the proximal humerus (upper arm bone near shoulder). This differs from 23140 (excision of bone cyst or benign tumor of proximal humerus requiring less extensive resection), 23145 (with autograft), 23146 (with allograft), and 23077/23078 (soft tissue tumor excision). Code selection depends on tumor location (bone vs. soft tissue), extent of resection required, and reconstruction performed. Proximal humerus tumors requiring en bloc resection with wide margins are coded 23220, while simpler curettage procedures use 23140 series codes.