Preventing or counteracting the effects of ageing

Full Title

Control of display operating conditions > Maintaining the quality of display appearance > Preventing or counteracting the effects of ageing

Of 3 combined children, 0 exist in both systems.

3 codes are CPC-only extensions.

Note: 3 CPC extensions are marked as secondary classification only.

This code exists only in CPC.

Diff view requires codes present in both systems.