The Type Ultrasonography is identified by number "4" and occupies the 3rd position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to BQ4
Ultrasonography of Bilateral Knees
Ultrasonography of Left Hip
Ultrasonography of Bilateral Hips
Ultrasonography of Left Knee
Ultrasonography of Right Hip
Ultrasonography of Right Knee