Materials characterised by their function or physical properties

Introduced: January 2000

Full Title

Materials for other surgical articles > Materials characterised by their function or physical properties

CPC subdivides this area 4x more granularly than IPC with 5 additional codes.

5 codes are CPC-only extensions.

IPC defines codes here since 2000.

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A61L 31/141 CPC only CPC only
A61L 31/143 CPC only CPC only
A61L 31/145 CPC only CPC only
A61L 31/146 CPC only CPC only
A61L 31/148 CPC only CPC only
A61L 31/16 Biologically active materials, e.g. therapeutic substances since 2000 IPC+CPC Available in IPC and CPC
A61L 31/18 Materials at least partially X-ray or laser opaque since 2000 IPC+CPC Available in IPC and CPC