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09BV Ethmoid Sinus, Left
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09BV0 Open
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09BV3 Percutaneous
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09BV4 Percutaneous Endoscopic
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09BV7 Via Natural or Artificial Opening
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09BV7Z No Device
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09BV8 Via Natural or Artificial Opening Endoscopic
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09BVX External
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09BVXZ No Device
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