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ICD-10-PCS Body Part - M
Medical and Surgical, Central Nervous System and Cranial Nerves, Replacement, Facial Nerve

The Facial Nerve body part is identified by the character M in the 4th position of the ICD-10-PCS procedure code. It is contained within the Replacement root operation of the Central Nervous System and Cranial Nerves body system under the Medical and Surgical section. The 4the position refers to the body part or body region when applicable.

Includes:

  • Chorda tympani
  • Geniculate ganglion
  • Greater superficial petrosal nerve
  • Nerve to the stapedius
  • Parotid plexus
  • Posterior auricular nerve
  • Seventh cranial nerve
  • Submandibular ganglion
ICD-10-PCS code structure

Section:
  0 = Medical and Surgical

Body System:
  0 = Central Nervous System and Cranial Nerves

Root Operation:
  R = Replacement

Body Part:

See Terms used in Medical and Surgical

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

00RM - Facial Nerve

  • Open Approach

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

    • Autologous Tissue Substitute
      • 00RM07Z - Replacement of Facial Nerve with Autol Sub, Open Approach
    • Synthetic Substitute
      • 00RM0JZ - Replacement of Facial Nerve with Synth Sub, Open Approach
    • Nonautologous Tissue Substitute
      • 00RM0KZ - Replacement of Facial Nerve with Nonaut Sub, Open Approach

  • 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

    • Autologous Tissue Substitute
      • 00RM47Z - Replacement of Facial Nrv with Autol Sub, Perc Endo Approach
    • Synthetic Substitute
      • 00RM4JZ - Replacement of Facial Nrv with Synth Sub, Perc Endo Approach
    • Nonautologous Tissue Substitute
      • 00RM4KZ - Replace of Facial Nrv with Nonaut Sub, Perc Endo Approach