The Body Part Frontal Bone is identified by number "1" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 0N81
Division of Frontal Bone, Open Approach
Division of Frontal Bone, Percutaneous Endoscopic Approach
Division of Frontal Bone, Percutaneous Approach