22634 Arthrd cmbn 1ntrspc each additional
Surgery
+Add-on
Also known as: Combined fusion add-on, Additional 360-degree fusion
Arthrodesis, posterior or posterolateral combined with anterior/anterolateral approach, lumbar; each additional interspaces.
Clinical Context
Add-on code for multi-level combined anterior-posterior lumbar fusion; used when extensive fusion needed for complex deformity or instability.
RVU Breakdown
| Work RVU | 7.76 |
| Practice Expense RVU | 2.61 |
| Malpractice RVU | 2.58 |
| Total RVU | 12.95 |
Est. Medicare Payment
$432.53
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Specialties
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.