DIFF Subgroup
A61M 25/1027 Full Title
Catheters; Hollow probes (dilators A61M29/00; ; for measuring or testing A61B; ) > Balloon catheters ( inflatable balloons for placing stents or stent-grafts A61F2/958 )
Of 4 combined children, 0 exist in both systems.
4 codes are CPC-only extensions.