4
The Ultrasonography root operation is identified by the character code 4 in the 3rd position of the procedure code. It is defined as Real time display of images of anatomy or flow information developed from the capture of reflected and attenuated high frequency sound waves.
Section:
B = Imaging
Body System:
G = Endocrine System
Root Operation:
2 - Computerized Tomography (CT Scan)3 - Magnetic Resonance Imaging (MRI)The 4th character refers to the body part or body region.
Ultrasonography
Real time display of images of anatomy or flow information developed from the capture of reflected and attenuated high frequency sound waves