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09N1 External Ear, Left
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09N10 Open
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09N10Z No Device
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09N10ZZRelease Left External Ear, Open Approach
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09N13 Percutaneous
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09N13Z No Device
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09N13ZZRelease Left External Ear, Percutaneous Approach
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09N14 Percutaneous Endoscopic
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09N14Z No Device
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09N14ZZRelease Left External Ear, Percutaneous Endoscopic Approach
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09N17 Via Natural or Artificial Opening
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09N17Z No Device
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09N18 Via Natural or Artificial Opening Endoscopic
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09N18Z No Device
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09N1X External
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09N1XZ No Device
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09N1XZZRelease Left External Ear, External Approach
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