![]() Polymethylmethacrylate (PMMA) or Calcium Sulfate (e.g., Osteoset Resorbable Mini-Bead) Antibiotic BeadsĪetna considers PMMA antibiotic beads or calcium sulfate antibiotic beads (e.g., Osteoset Resorbable Mini-Bead) medically necessary for use in conjunction with intravenous antibiotics in the treatment of chronic osteomyelitis.Allograft materials that are 100% bone are considered medically necessary for these indications regardless of the shape of the implant. Allograft for Spinal Fusion and Osteochondral DefectsĪetna considers cadaveric allograft and demineralized bone matrix medically necessary for spinal fusions and for filling osteochondral defects (bone void fillers). ![]()
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