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09NU Ethmoid Sinus, Right
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09NU0 Open
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09NU0Z No Device
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09NU0ZZRelease Right Ethmoid Sinus, Open Approach
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09NU3 Percutaneous
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09NU3Z No Device
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09NU3ZZRelease Right Ethmoid Sinus, Percutaneous Approach
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09NU4 Percutaneous Endoscopic
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09NU4Z No Device
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09NU4ZZRelease Right Ethmoid Sinus, Percutaneous Endoscopic Approach
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09NU7 Via Natural or Artificial Opening
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09NU7Z No Device
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09NU8 Via Natural or Artificial Opening Endoscopic
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09NU8Z No Device
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09NU8ZZRelease Right Ethmoid Sinus, Via Natural or Artificial Opening Endoscopic
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09NUX External
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09NUXZ No Device
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