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09N6 Middle Ear, Left
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09N60 Open
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09N60Z No Device
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09N60ZZRelease Left Middle Ear, Open Approach
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09N63 Percutaneous
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09N63Z No Device
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09N64 Percutaneous Endoscopic
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09N64Z No Device
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09N67 Via Natural or Artificial Opening
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09N67Z No Device
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09N68 Via Natural or Artificial Opening Endoscopic
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09N68Z No Device
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09N68ZZRelease Left Middle Ear, Via Natural or Artificial Opening Endoscopic
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09N6X External
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09N6XZ No Device
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