DIFF Subgroup
A61B 17/1662 Full Title
Surgical instruments, devices or methods (A61B18/00 takes precedence; dental tools A61C3/00; eye surgery A61F9/007; ear surgery A61F11/20) > Instruments for performing osteoclasis; Drills or chisels for bones; Trepans
Of 11 combined children, 0 exist in both systems.
11 codes are CPC-only extensions.