CPT 21248Surgery

Reconstruction of jaw

CPT code 21248 covers surgical reconstruction of the jaw, typically performed after traumatic injury, tumor removal, congenital deformity, or severe infection. This complex procedure involves rebuilding the jaw structure to restore function and appearance.

Showing rates for

National Average

Base Medicare rate

$961.01

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

12.74

PE RVU (NF)

15.71

MP RVU

1.26

Total RVU

29.71

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

NCCI bundling edits

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Billing tips

Bill in facility setting when possible to maximize total reimbursement
Impact: While physician payment is $180.17 less in facility ($780.84 vs $961.01), total reimbursement including facility fee is substantially higher, and complex reconstruction typically requires hospital resources
Document all bone graft sources separately and consider billing bone graft harvesting codes in addition to 21248
Impact: Autogenous bone harvest (20900-20902) may be separately billable and add $200-400 to claim depending on harvest site; ensure modifier 59 or XS is used appropriately
Capture modifier 22 for unusually complex cases with detailed narrative
Impact: Well-documented modifier 22 claims can increase reimbursement by $192-$480; include operative time, comparison to typical case, and specific complexity factors
Verify global period and avoid billing E/M services during 90-day postoperative window without appropriate modifiers
Impact: 21248 carries a 90-day global period; inappropriate E/M billing can trigger $100-300 in denials and potential audit flags
Submit pre-authorization with complete surgical plan, imaging, and medical necessity documentation
Impact: Pre-authorization approval can prevent $961 denial and expedite payment by 15-30 days; many payers require prior auth for procedures exceeding 20 RVUs
Code to highest specificity and avoid downcoding to simpler jaw procedures
Impact: Coding 21248 instead of simpler codes like 21244 (partial) can result in $300-500 appropriate reimbursement difference; ensure operative report supports full reconstruction

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Frequently asked questions

What is the Medicare reimbursement rate for CPT code 21248 in 2025?

The 2025 Medicare national average reimbursement for CPT 21248 is $961.01 in the non-facility setting and $780.84 in the facility setting. These rates are based on the CMS Physician Fee Schedule with a conversion factor of 32.3465 and may vary by geographic locality.

How many RVUs is CPT code 21248 worth?

CPT 21248 has a total RVU value of 29.71, consisting of 12.74 work RVUs, 15.71 non-facility practice expense RVUs (10.14 facility), and 1.26 malpractice RVUs. This high RVU value reflects the complexity and surgical skill required for jaw reconstruction.

Can CPT 21248 be billed with bone graft harvesting codes?

Yes, autogenous bone graft harvesting (CPT 20900-20902) can typically be billed separately with CPT 21248 when bone is harvested from a separate donor site such as the iliac crest or tibia. Use modifier 59 or XS to indicate a distinct procedural service and document the separate harvest site clearly in the operative report.

What is the global period for CPT code 21248?

CPT 21248 carries a 90-day global surgical period. This means routine postoperative care for 90 days following surgery is included in the reimbursement, and separate E/M services during this period typically require modifier 24 (unrelated) or 25 (significant, separately identifiable) to be reimbursed.

Does CPT 21248 require prior authorization from insurance?

Most commercial payers and Medicare Advantage plans require prior authorization for CPT 21248 due to its complexity and high reimbursement value. Medicare traditional does not require prior auth but may conduct post-payment review. Always verify payer-specific requirements before scheduling to avoid denials.

What diagnosis codes support medical necessity for CPT 21248?

Common supporting ICD-10 codes include traumatic jaw fractures (S02.6xx), malignant neoplasm status post resection (C41.0, C41.1), acquired jaw deformity (M26.81), osteomyelitis of jaw (M27.2), and congenital mandibular anomalies (Q67.4). Documentation must clearly link the reconstruction to functional impairment, not purely cosmetic concerns.

What is the difference between CPT 21248 and 21244 for jaw reconstruction?

CPT 21244 describes partial reconstruction of the mandible or maxilla, typically involving smaller segments or less complex repairs with lower RVU value (approximately 18-20 RVUs). CPT 21248 represents more extensive reconstruction involving larger segments, complex bone grafting, or multiple anatomical areas, warranting the higher 29.71 RVU value. The operative report must clearly document the extent to justify 21248.