CPT 21206Surgery

Reconstruct upper jaw bone

CPT code 21206 covers the surgical reconstruction of the upper jaw bone (maxilla), typically performed after trauma, tumor removal, or congenital defects. This complex procedure involves rebuilding or reshaping the bone structure of the upper jaw to restore function and appearance.

Showing rates for

National Average

Base Medicare rate

$953.25

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

15.59

PE RVU (NF)

12.36

MP RVU

1.52

Total RVU

29.47

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 materials, distraction osteogenesis) and anatomic extent in the operative report
Impact: Prevents denials for lack of medical necessity and supports modifier 22 claims; can increase reimbursement by $190-$475 when additional complexity is documented
Separately report bone graft harvesting (20900-20902) when autogenous graft is obtained from a distant site (iliac crest, rib, etc.)
Impact: Adds $200-$600 in additional reimbursement depending on harvest site; must be from separate incision/anatomic site
Bill on the date of definitive reconstruction, not preliminary debridement or preparation procedures, to maximize the global period value
Impact: Ensures full 90-day global reimbursement of $953.25 rather than reduced payment for staged procedures
Use ICD-10 diagnosis codes that clearly establish medical necessity (M26.89 for jaw deformity, C41.0 for maxillary neoplasm, S02.42 for fracture)
Impact: Reduces denial rate by 30-40%; cosmetic-appearing diagnoses trigger automatic denials
When performed with sinus surgery or orbital floor repair, document distinct procedures to justify separate coding versus bundled approach
Impact: May justify additional $300-$800 when procedures are distinct and medically necessary; prevents unbundling denials
Submit preauthorization with CT imaging, treatment plan, and medical necessity narrative for oncologic or major traumatic cases
Impact: Reduces payment delays by 60-90 days and decreases denial rate from 25% to under 5%

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Frequently asked questions

What is the Medicare reimbursement rate for CPT 21206 in 2025?

The 2025 Medicare national average reimbursement for CPT 21206 is $953.25 for both facility and non-facility settings, based on 29.47 total RVUs and the conversion factor of 32.3465.

Can CPT 21206 be billed with bone graft harvesting codes?

Yes, bone graft harvesting codes (20900-20902) can be separately reported when autogenous bone is obtained from a distant donor site such as the iliac crest or rib through a separate incision. The graft harvest must be documented as distinct from the reconstruction site.

What modifiers are most commonly used with CPT 21206?

Modifier 22 (increased procedural services) is frequently used for complex cases requiring extensive grafting or multiple osteotomies. Modifier 50 applies to bilateral reconstruction, while LT/RT designates laterality for unilateral cases. Modifier 62 is used when co-surgeons from different specialties collaborate.

How many RVUs is CPT code 21206 worth?

CPT 21206 has 29.47 total RVUs for 2025, consisting of 15.59 work RVUs, 12.36 practice expense RVUs, and 1.52 malpractice RVUs. Both facility and non-facility PE RVU values are identical at 12.36.

Does CPT 21206 require prior authorization from Medicare?

Traditional Medicare does not typically require prior authorization for medically necessary maxillary reconstruction, but Medicare Advantage plans often do. Commercial payers almost universally require preauthorization given the high-cost nature and potential cosmetic overlap of maxillofacial procedures.

What diagnosis codes support medical necessity for CPT 21206?

Appropriate ICD-10 codes include C41.0 (malignant neoplasm of maxilla), S02.42 (maxillary fracture), M26.89 (other dentofacial anomalies), Q35-Q37 (cleft palate/lip sequelae), and M27.2 (inflammatory conditions of jaw). Cosmetic diagnosis codes will result in denial.

Can CPT 21206 be performed in an office setting?

No, CPT 21206 maxillary reconstruction is a major surgical procedure requiring hospital or ambulatory surgical center facilities with appropriate anesthesia support, sterile operative environment, and immediate access to blood products and ICU-level postoperative care. The facility and non-facility rates are identical, reflecting hospital-only performance.