7
The Systemic Nuclear Medicine Therapy root operation is identified by the character code 7 in the 3rd position of the procedure code. It is defined as Introduction of unsealed radioactive materials into the body for treatment.
Section:
C = Nuclear Medicine
Body System:
W = Anatomical Regions
Root Operation:
5 - Nonimaging Nuclear Medicine Probe1 - Planar Nuclear Medicine Imaging3 - Positron Emission Tomographic (PET) Imaging2 - Tomographic (Tomo) Nuclear Medicine Imaging