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099B Mastoid Sinus, Right
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099B0 Open
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099B3 Percutaneous
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099B4 Percutaneous Endoscopic
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099B7 Via Natural or Artificial Opening
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099B8 Via Natural or Artificial Opening Endoscopic
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099B80 Drainage Device
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099B80ZDrainage of Right Mastoid Sinus with Drainage Device, Via Natural or Artificial Opening Endoscopic
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099B8Z No Device
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099BX External
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099BX0 Drainage Device
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099BXZ No Device
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