Gram-negative bacteria

Introduced: January 2026

Full Title

Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies > against material from bacteria > Gram-negative bacteria

CPC subdivides this area 2x more granularly than IPC with 9 additional codes.

9 codes are CPC-only extensions.

IPC defines codes here since 2026.

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C07K 16/1207 CPC only CPC only
C07K 16/121 Helicobacter (G); Campylobacter (G) since 2026 IPC+CPC Available in IPC and CPC
C07K 16/1214 Pseudomonadaceae (F) since 2026 IPC+CPC Available in IPC and CPC
C07K 16/1217 Neisseriaceae (F) since 2026 IPC+CPC Available in IPC and CPC
C07K 16/1218 Acinetobacter (G) since 2026 IPC+CPC Available in IPC and CPC
C07K 16/1221 CPC only CPC only
C07K 16/1225 CPC only CPC only
C07K 16/1228 Enterobacterales (O), e.g. Citrobacter (G), Serratia (G), Proteus (G), Providencia (G), Morganella (G) or Yersinia (G) since 2026 IPC+CPC Available in IPC and CPC
C07K 16/1239 CPC only CPC only
C07K 16/1242 CPC only CPC only
C07K 16/1246 Rickettsiales (O) since 2026 IPC+CPC Available in IPC and CPC
C07K 16/125 CPC only CPC only
C07K 16/1253 CPC only CPC only
C07K 16/1257 CPC only CPC only
C07K 16/126 Legionella (G) since 2026 IPC+CPC Available in IPC and CPC
C07K 16/1264 CPC only CPC only