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 BG4
Ultrasonography of Bilateral Adrenal Glands
Ultrasonography of Parathyroid Glands
Ultrasonography of Left Adrenal Gland
Ultrasonography of Right Adrenal Gland
Ultrasonography of Thyroid Gland