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097G Eustachian Tube, Left
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097G0 Open
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097G3 Percutaneous
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097G3D Intraluminal Device
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097G3Z No Device
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097G3ZZDilation of Left Eustachian Tube, Percutaneous Approach
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097G4 Percutaneous Endoscopic
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097G4D Intraluminal Device
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097G4Z No Device
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097G4ZZDilation of Left Eustachian Tube, Percutaneous Endoscopic Approach
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097G7 Via Natural or Artificial Opening
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097G8 Via Natural or Artificial Opening Endoscopic
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