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0W9H Retroperitoneum
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0W9H0 Open
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0W9H3 Percutaneous
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0W9H4 Percutaneous Endoscopic
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0W9H7 Via Natural or Artificial Opening
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0W9H70 Drainage Device
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0W9H7Z No Device
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0W9H8 Via Natural or Artificial Opening Endoscopic
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0W9H80 Drainage Device
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0W9H8Z No Device
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