| Acronym | Meaning |
| 45C | Patient Is One Chromosome Short Of A Full Set (questionable IQ) |
| SBI | Something Bad Inside E.g. Undiagnosed Cancer/unexpected Serious Condition Found When Performing Surgery |
| DFO | Drunk And Fell Over |
| UGLI | Ugly: A Patient (usually A Child) Who Looks A Bit Odd But Has Nothing Wrong With Them |
| GTG | Go To Ground - Fall Out Of Bed Or Chair |
| MICOS | Masterly Inactivity, Cat-like Observation And Steroids |
| CTD | Circling The Drain (Close To Death) |
| CAT6 | Triage Is Cat 1 (major) To Cat 5 (minor) So Cat 6 Means A Timewaster |
| CTF | Cletus The Fetus (US). A 23 Week, Or Earlier, Births That Parents Expect To Survive Against All Odds |
| CSD | Chronic Slapping Deficiency - Annoying/unruly Family Members Hitting Nurse's Call Button Every 5 Minutes With Minor Requests/inane Questions Or For Fun |