ICD-10-PCS code structure

Section:
  0 = Medical and Surgical

Body System:
  N = Head and Facial Bones

Root Operation:
  9 = Drainage

Body Part:

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See Terms used in Medical and Surgical

Select the appropriate procedure code based on the approach & device:

0N94 - Parietal Bone, Left

• Open Approach

  Cutting through the skin or mucous membrane and any other body layers necessary to expose the site of the procedure

  • Drainage Device
    • 0N9400Z - Drainage of Left Parietal Bone with Drain Dev, Open Approach
  • No Device
    • 0N940ZX - Drainage of Left Parietal Bone, Open Approach, Diagnostic
    • 0N940ZZ - Drainage of Left Parietal Bone, Open Approach

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• Percutaneous Approach

  Entry, by puncture or minor incision, of instrumentation through the skin or mucous membrane and any other body layers necessary to reach the site of the procedure

  • Drainage Device
    • 0N9430Z - Drainage of Left Parietal Bone with Drain Dev, Perc Approach
  • No Device
    • 0N943ZX - Drainage of Left Parietal Bone, Percutaneous Approach, Diagn
    • 0N943ZZ - Drainage of Left Parietal Bone, Percutaneous Approach

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• Percutaneous Endoscopic Approach

  Entry, by puncture or minor incision, of instrumentation through the skin or mucous membrane and any other body layers necessary to reach and visualize the site of the procedure

  • Drainage Device
    • 0N9440Z - Drain of L Parietal Bone with Drain Dev, Perc Endo Approach
  • No Device
    • 0N944ZX - Drainage of Left Parietal Bone, Perc Endo Approach, Diagn
    • 0N944ZZ - Drainage of Left Parietal Bone, Perc Endo Approach