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3E1R Spinal Canal
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3E1R3 Percutaneous
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3E1R4 Percutaneous Endoscopic
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3E1R48 Irrigating Substance
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3E1R49 Dialysate
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3E1R7 Via Natural or Artificial Opening
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3E1R78 Irrigating Substance
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3E1R79 Dialysate
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3E1R8 Via Natural or Artificial Opening Endoscopic
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3E1R88 Irrigating Substance
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3E1R89 Dialysate
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3E1RX External
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3E1RX8 Irrigating Substance
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3E1RX9 Dialysate
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