The Body Part Occipital is identified by number "0" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to XRG0
Fusion Occip Jt w Nano Intbd Dev, Open, New Tech 2
Fusion Occip Jt w Radluc Por IFD, Open, New Tech 3