Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
A61K 31/558

having heterocyclic rings containing oxygen as the only ring hetero atom, e.g. thromboxanes

Introduced: January 2000

Full Title

Medicinal preparations containing organic active ingredients > Eicosanoids, e.g. leukotrienes > having heterocyclic rings containing oxygen as the only ring hetero atom, e.g. thromboxanes

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 2000.

Child Classifications

Navigate with arrow keys, Enter to open

  • A61K 31/5585 having five-membered rings containing oxygen as the only ring hetero atom, e.g. prostacyclin since 2000 IPC+CPC Available in IPC and CPC