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3E1B Ear
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3E1B3 Percutaneous
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3E1B4 Percutaneous Endoscopic
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3E1B48 Irrigating Substance
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3E1B49 Dialysate
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3E1B7 Via Natural or Artificial Opening
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3E1B8 Via Natural or Artificial Opening Endoscopic
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3E1BX External
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3E1BX8 Irrigating Substance
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3E1BX9 Dialysate
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