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 BY4
Ultrasonography of Placenta
Ultrasonography of Third Trimester, Multiple Gestation
Ultrasonography of First Trimester, Multiple Gestation
Ultrasonography of Second Trimester, Multiple Gestation
Ultrasonography of Second Trimester, Single Fetus
Ultrasonography of Fetal Umbilical Cord
Ultrasonography of Third Trimester, Single Fetus
Ultrasonography of First Trimester, Single Fetus