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ICD-10-PCS Body Part - 4
Radiation Oncology, Ear, Nose, Mouth and Throat, Other Radiation, Mouth

The Mouth body part is identified by the character 4 in the 4th position of the ICD-10-PCS procedure code. It is contained within the Other Radiation root operation of the Ear, Nose, Mouth and Throat body system under the Radiation Oncology section. The 4the position refers to the body part or body region when applicable.

ICD-10-PCS code structure

Section:
  D = Radiation Oncology

Body System:
  9 = Ear, Nose, Mouth and Throat

Root Operation:
  Y = Other Radiation

Body Part:

See Terms used in Radiation Oncology

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

D9Y4 - Mouth

  • Contact Radiation Approach

    • None
      • D9Y47ZZ - Contact Radiation of Mouth

  • Hyperthermia Approach

    • None

  • Intraoperative Radiation Therapy (IORT) Approach

    • None
      • D9Y4CZZ - Intraoperative Radiation Therapy (IORT) of Mouth

  • Plaque Radiation Approach

    • None
      • D9Y4FZZ - Plaque Radiation of Mouth