B
The Perfusion root operation is identified by the character code B in the 3rd position of the procedure code. It is defined as Extracorporeal treatment by diffusion of therapeutic fluid.
Section:
6 = Extracorporeal or Systemic Therapies
Body System:
A = Physiological Systems
Root Operation:
0 - Atmospheric Control1 - Decompression2 - Electromagnetic Therapy3 - Hyperthermia4 - Hypothermia5 - Pheresis6 - Phototherapy9 - Shock Wave Therapy7 - Ultrasound Therapy8 - Ultraviolet Light Therapy