- A set of rules, principles, or ethics.
- Any system devised to convey information or facilitate communication.
- Term used in hospitals to describe an emergency requiring situation-trained members of the staff, such as a cardiopulmonary resuscitation team, or the signal to summon such a team.
- A numeric system for ordering and classifying information, about diagnostic categories.
[L. codex, book]
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Examples: glitazone, GI cocktail, etc.