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ICD-10-PCS Body System M
Radiation Oncology, Breast

The Breast body system is identified by the character “M” in the 2nd character position and grouped within the Radiation Oncology section of the ICD-10-PCS coding structure. The 2nd character of an ICD-10-PCS code defines the particular body system or general physiological system or anatomical region involved.

ICD-10-PCS code structure

Section:
  D = Radiation Oncology

Body System:

See Terms used in Radiation Oncology

The 3rd character refers to the root operation or the objective of the procedure.

Breast

  • DM0 - Beam Radiation

  • DM1 - Brachytherapy

  • DMY - Other Radiation

  • DM2 - Stereotactic Radiosurgery