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09NP Accessory Sinus
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09NP0 Open
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09NP0Z No Device
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09NP0ZZRelease Accessory Sinus, Open Approach
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09NP3 Percutaneous
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09NP3Z No Device
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09NP3ZZRelease Accessory Sinus, Percutaneous Approach
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09NP4 Percutaneous Endoscopic
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09NP4Z No Device
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09NP4ZZRelease Accessory Sinus, Percutaneous Endoscopic Approach
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09NP7 Via Natural or Artificial Opening
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09NP7Z No Device
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09NP8 Via Natural or Artificial Opening Endoscopic
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09NP8Z No Device
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09NP8ZZRelease Accessory Sinus, Via Natural or Artificial Opening Endoscopic
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09NPX External
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09NPXZ No Device
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