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09NR Maxillary Sinus, Left
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09NR0 Open
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09NR0Z No Device
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09NR0ZZRelease Left Maxillary Sinus, Open Approach
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09NR3 Percutaneous
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09NR3Z No Device
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09NR3ZZRelease Left Maxillary Sinus, Percutaneous Approach
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09NR4 Percutaneous Endoscopic
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09NR4Z No Device
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09NR4ZZRelease Left Maxillary Sinus, Percutaneous Endoscopic Approach
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09NR7 Via Natural or Artificial Opening
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09NR7Z No Device
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09NR8 Via Natural or Artificial Opening Endoscopic
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09NR8Z No Device
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09NR8ZZRelease Left Maxillary Sinus, Via Natural or Artificial Opening Endoscopic
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09NRX External
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09NRXZ No Device
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