CPT 21154Surgery

Lefort iii w/o lefort i

CPT code 21154 covers a LeFort III osteotomy, a complex facial reconstruction surgery that repositions the entire midface without performing a LeFort I procedure on the upper jaw. This is typically performed to correct severe craniofacial deformities or malformations.

Showing rates for

National Average

Base Medicare rate

$1,887.74

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

31.29

PE RVU (NF)

22.55

MP RVU

4.52

Total RVU

58.36

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

NCCI bundling edits

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Billing tips

Document medical necessity with comprehensive clinical notes including cephalometric analysis, CT imaging results, and functional deficits (airway obstruction, visual compromise, malocclusion severity)
Impact: Prevents medical necessity denials which account for 30-40% of craniofacial surgery claim rejections
Bill with modifier 62 when co-surgery is performed and ensure both surgeons document their distinct roles in separate operative reports
Impact: Ensures each surgeon receives appropriate $1179.84 reimbursement; incomplete documentation may reduce both payments to assistant-level rates
Do not unbundle bone grafting (21210) or rigid fixation when inherent to the LeFort III procedure; these are included in the base code
Impact: Prevents denials and potential audit flags; unbundling can trigger 100% claim rejection and possible compliance review
Verify pre-authorization requirements; most commercial payers require prior authorization for LeFort III procedures with peer-to-peer review
Impact: Lack of pre-authorization can result in complete claim denial even with perfect coding; appeals rarely succeed on authorization issues
Use modifier 22 only with comparative documentation showing why this case exceeded typical LeFort III complexity; include operative time comparison and specific technical challenges
Impact: Well-documented modifier 22 can yield additional $377-566 but poor documentation results in modifier being ignored or claim delayed for review
Confirm facility versus non-facility status is correctly reported; 21154 has identical rates ($1887.74) for both settings, but PE RVUs are the same at 22.55

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Frequently asked questions

What is the Medicare reimbursement rate for CPT code 21154 in 2025?

The 2025 Medicare national average reimbursement for CPT 21154 is $1887.74 for both facility and non-facility settings. This rate is based on 58.36 total RVUs multiplied by the 2025 conversion factor of 32.3465.

What is the difference between CPT 21154 and 21155?

CPT 21154 is a LeFort III osteotomy performed WITHOUT a concurrent LeFort I procedure, while CPT 21155 includes both a LeFort III AND a LeFort I procedure performed together. Code selection depends on whether the upper maxilla is separately mobilized (21155) or left attached to the midface complex (21154).

Can CPT 21154 be billed with modifier 62 for co-surgeons?

Yes, modifier 62 is appropriate when two surgeons with different specialties (typically craniofacial surgery and neurosurgery) perform distinct essential portions of the LeFort III procedure as planned co-surgeons. Each surgeon receives 62.5% of the allowed amount ($1179.84 each for Medicare) and must document their specific role.

What RVU value does CPT 21154 have in 2025?

CPT 21154 has 58.36 total RVUs in 2025, consisting of 31.29 work RVUs, 22.55 practice expense RVUs (both facility and non-facility), and 4.52 malpractice RVUs. This high RVU value reflects the complexity and risk of LeFort III osteotomy.

Is prior authorization required for CPT code 21154?

While Medicare does not require prior authorization for 21154, most commercial insurance payers classify this as a high-cost craniofacial procedure requiring prior authorization with peer-to-peer review. Requirements vary by payer and should be verified before scheduling surgery to prevent claim denials.

Can bone grafting be billed separately with CPT 21154?

Bone grafting (CPT 21210) is generally considered included in the LeFort III procedure when used for standard gap filling or stabilization at osteotomy sites. Separate billing is only appropriate if grafting is performed at a distinct anatomic site unrelated to the LeFort III osteotomies, which is rare, and would require modifier 59 with detailed documentation.

What diagnosis codes support medical necessity for CPT 21154?

Common supporting diagnosis codes include Q75.0 (craniosynostosis), Q75.1 (craniofacial dysostosis including Crouzon syndrome), Q87.0 (Apert syndrome), Q75.4 (mandibulofacial dysostosis), and acquired codes such as M26.4 (malocclusion) or S02.4 (fracture of malar/maxillary bones) for post-traumatic cases. Documentation must demonstrate functional impairment, not purely aesthetic concerns.