CPT 21244Surgery

Reconstruction of lower jaw

CPT code 21244 covers surgical reconstruction of the lower jaw (mandible), typically performed after trauma, tumor removal, or congenital deformities. This major reconstructive procedure restores both function and appearance of the lower jaw structure.

Showing rates for

National Average

Base Medicare rate

$978.48

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

13.62

PE RVU (NF)

14.83

MP RVU

1.8

Total RVU

30.25

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

NCCI bundling edits

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Billing tips

Document the specific reconstruction technique (autogenous bone graft, alloplastic implant, free tissue transfer) in the operative report, as this affects medical necessity determination and potential unbundling issues
Impact: Prevents denials for lack of specificity; proper documentation supports the full $978.48 reimbursement versus downcoding to simpler repair codes
Verify whether bone graft harvest is included or separately billable based on harvest site; distant graft sites (iliac crest code 20902) are separately reportable while local grafts are included in 21244
Impact: Additional $300-600 reimbursement for separately billable graft harvest when anatomically appropriate
Submit modifier 22 with comparative operative time documentation when reconstruction exceeds 4 hours or involves multiple failed previous attempts, including percentage increase in complexity
Impact: Potential additional $200-500 with successful modifier 22 appeals, though approval rate is only 30-40% without detailed justification
Code separately for ablative/resection procedures performed by different surgeon or at different session; do not bundle tumor excision with reconstruction if staged procedures
Impact: Captures full surgical value; prevents $1,500-3,000 revenue loss from inappropriate bundling of oncologic resection codes
Appeal denials for medical necessity by including pre-operative imaging, functional deficits documentation, and reconstruction plan with expected functional outcomes
Impact: Increases appeal success rate from 35% to 75% when comprehensive clinical rationale is provided
Distinguish 21244 from simpler mandibular procedures (21193, 21196) by documenting extent of defect in centimeters and number of mandibular segments involved

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Frequently asked questions

What is the Medicare reimbursement rate for CPT code 21244 in 2025?

The 2025 Medicare national average reimbursement for CPT 21244 is $978.48 for both facility and non-facility settings. This is based on 30.25 total RVUs (13.62 work RVU, 14.83 PE RVU, 1.8 MP RVU) multiplied by the 2025 conversion factor of 32.3465. Actual payment may vary based on geographic location and local Medicare Administrative Contractor adjustments.

Can CPT 21244 be billed with bone graft harvesting codes?

It depends on the graft harvest site. Bone grafts harvested from the local surgical field or adjacent mandible are included in 21244 and cannot be billed separately. However, grafts harvested from distant sites (iliac crest 20902, fibula 20955) are separately reportable with appropriate modifiers. Documentation must clearly specify the harvest location and justify the distant site selection.

What documentation is required to support medical necessity for CPT 21244?

Medical necessity documentation should include: diagnostic imaging (CT/MRI) showing extent of mandibular defect, clinical notes documenting functional impairment (difficulty chewing, speech problems, airway compromise), etiology of the defect (trauma, tumor resection, infection), previous treatment failures if applicable, and detailed surgical plan explaining why reconstruction is necessary versus alternative treatments. Pre-operative photographs strengthen the medical necessity case.

How does CPT 21244 differ from CPT 21196 for mandibular reconstruction?

CPT 21196 covers reconstruction of the mandibular ramus with bone graft without prosthesis, while 21244 is a broader code for reconstruction of the mandible and may include prosthetic materials, more extensive bone work, or different anatomic locations. Code selection depends on the specific anatomic area (ramus versus body/symphysis), technique employed, and extent of reconstruction. 21244 generally applies to more complex reconstructions with higher RVU value.

Is modifier 22 commonly approved for CPT 21244 claims?

Modifier 22 approval rates for 21244 vary by payer but typically range from 30-40% without comprehensive documentation. To improve approval odds, submit detailed operative report showing significantly increased complexity (multiple bone grafts, revision after failed reconstruction, extensive soft tissue involvement), comparative analysis showing procedure took 50%+ longer than typical, and specific documentation of unusual anatomic challenges. Include percentage increase in work and time compared to standard procedure.

What are the work RVUs for CPT code 21244?

CPT code 21244 has 13.62 work RVUs in the 2025 Medicare Physician Fee Schedule. Combined with 14.83 practice expense RVUs and 1.8 malpractice RVUs, the total is 30.25 RVUs, reflecting the significant complexity and time required for mandibular reconstruction surgery.

Can CPT 21244 be billed bilaterally with modifier 50?

Modifier 50 (bilateral procedure) can be applied to 21244 when reconstruction is performed on both sides of the mandible symmetrically in the same operative session, though this is uncommon. Bilateral billing increases reimbursement to 150% of the unilateral rate. Documentation must clearly demonstrate that separate, distinct reconstructive work was performed on both sides of the mandible, not just a single continuous reconstruction spanning the midline.