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ICD 10 Code D9Y4CZZ

Intraoperative Radiation Therapy (IORT) of Mouth

D9Y4CZZ is a valid billable ICD-10 procedure code for Intraoperative Radiation Therapy (IORT) of Mouth. It is found in the 2025 version of the ICD-10 Procedure Coding System (PCS) and can be used in all HIPAA-covered transactions from Oct 01, 2024 - Sep 30, 2025.

ICD-10-PCS code structure for D9Y4CZZ — See Table View

1: Section D Radiation Oncology
2: Body System 9 Ear, Nose, Mouth and Throat
3: Root Operation Y Other Radiation
4: Body Part 4 Mouth
5: Approach C Intraoperative Radiation Therapy (IORT)
6: Device Z None
7: Qualifier Z None

See also

  • The ICD-10-PCS Index of common procedure terms.
  • Radiation Oncology terms in the ICD-10-PCS Definitions table. These definitions may also provide additional explanation and/or examples within this section.
  • The ICD-10-PCS Device Aggregation Table containing entries that correlate a specific ICD-10-PCS device value with a general device value to be used in tables containing only general device values.