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099T Frontal Sinus, Left
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099T0 Open
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099T3 Percutaneous
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099T4 Percutaneous Endoscopic
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099T7 Via Natural or Artificial Opening
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099T8 Via Natural or Artificial Opening Endoscopic
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099T80 Drainage Device
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099T80ZDrainage of Left Frontal Sinus with Drainage Device, Via Natural or Artificial Opening Endoscopic
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099T8Z No Device
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099TX External
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099TX0 Drainage Device
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099TXZ No Device
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