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09DT Frontal Sinus, Left
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09DT0 Open
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09DT0Z No Device
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09DT0ZZExtraction of Left Frontal Sinus, Open Approach
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09DT3 Percutaneous
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09DT3Z No Device
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09DT3ZZExtraction of Left Frontal Sinus, Percutaneous Approach
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09DT4 Percutaneous Endoscopic
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09DT4Z No Device
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09DT4ZZExtraction of Left Frontal Sinus, Percutaneous Endoscopic Approach
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09DT7 Via Natural or Artificial Opening
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09DT7Z No Device
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09DT8 Via Natural or Artificial Opening Endoscopic
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09DT8Z No Device
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