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09B5 Middle Ear, Right
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09B50 Open
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09B53 Percutaneous
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09B53Z No Device
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09B54 Percutaneous Endoscopic
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09B54Z No Device
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09B57 Via Natural or Artificial Opening
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09B57Z No Device
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09B58 Via Natural or Artificial Opening Endoscopic
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09B5X External
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09B5XZ No Device
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