ICD-10-PCS code structure

Section:
  0 = Medical and Surgical

Body System:
  C = Mouth and Throat

Root Operation:
  9 = Drainage

Body Part:

---

See Terms used in Medical and Surgical

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

0C94 - Buccal Mucosa

• Open Approach

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

  • Drainage Device
    • 0C9400Z - Drainage of Buccal Mucosa with Drain Dev, Open Approach
  • No Device
    • 0C940ZX - Drainage of Buccal Mucosa, Open Approach, Diagnostic
    • 0C940ZZ - Drainage of Buccal Mucosa, Open Approach

  ---

• 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
    • 0C9430Z - Drainage of Buccal Mucosa with Drain Dev, Perc Approach
  • No Device
    • 0C943ZX - Drainage of Buccal Mucosa, Percutaneous Approach, Diagnostic
    • 0C943ZZ - Drainage of Buccal Mucosa, Percutaneous Approach

  ---

• External Approach

  Procedures performed directly on the skin or mucous membrane and procedures performed indirectly by the application of external force through the skin or mucous membrane

  • Drainage Device
    • 0C94X0Z - Drainage of Buccal Mucosa with Drain Dev, Extern Approach
  • No Device
    • 0C94XZX - Drainage of Buccal Mucosa, External Approach, Diagnostic
    • 0C94XZZ - Drainage of Buccal Mucosa, External Approach