| Term | Definition |
| H&P | history and physical |
| Hx | History |
| CC | Chief Complaint |
| c/o | complains |
| HPI | History of Present Illness |
| Sx | symptom |
| PMH | past medical history |
| UCHD | usual childhood diseases |
| NKA | no known allergies |
| NKDA | no known drug allergies |
| FH | Family History |
| SH | Social History |
| OH | Occupational History |
| ROS | Review of System |
| SR | System Review |
| PE(Px) | Physical Exam |
| HEENT | head eyes ears nose throat |
| NAD | no acute distress, no appreciable disease |
| PERRLA | pupils equal, round, and reactive to light accomodation |
| Dx | Diagnosis |
| IMP | Impression |
| A | Assessment |
| R/O | Rule Out |
| P | Plan |
| CCU | coronary care unit |
| ECU | emergency care unit |
| ER | emergency room |
| ICU | intensive care unit |
| OP | out patient |
| OR | Operating Room |
| PACU | Postanesthetic care unit |
| PAR | postanesthetic recovery |
| post-op | postoperative |
| pre-op | preoperative |
| RTC | return to clinic |
| RTO | return to office |
| BRP | bathroom priviledges |
| CP | chest pain |
| DC | discharge, discontinue |
| D/C | discharge, discontinue |
| ETOH | ethyl alcohol |
| pt | patient |
| RRR | regular rate and rhythm |
| SOB | shortness of breath |
| Tr | treatment |
| Tx | treatment or traction |
| VS | Vital Signs |
| T | temperature |
| P | pulse |
| R | respirations |
| BP | blood pressure |
| Ht | height |
| Wt | weight |
| WDWN | well-developed and well-nourished |
| y.o. | year old |
| # | number or pound |
| a.c. | before meals |
| a.m. | before noon |
| b.i.d. | twice a day |
| d | day |
| h | hour |
| h.s. | at hour of sleep(bedtime) |
| noc. | night |
| p.c. | after meals |
| p.m. | after noon |
| p.r.n. | as needed |
| q | every |
| q d | every day |
| q h | every hour |
| q 2 h | every 2 hours |
| q.i.d. | four times a day |
| q.o.d. | every other day |
| STAT | immidiately |
| t.i.d. | three times a day |
| wk | week |
| yr | year |
| AD | right ear |
| AS | left ear |
| AU | both ears |
| ad lib. | as desired |
| amt | amount |
| aq | water |
| C | Celsius, centigrade |
| F | fahrenheit |
| NPO | nothing by mouth |
| OD | right eye |
| OS | left eye |
| OU | both eyes |
| per | by or through |
| p.o. | by mouth |
| PR | through rectum |
| PV | through vagina |
| q.n.s. | quantity not sufficient |
| q.s. | quantity sufficient |
| Rx | recipe, prescription |
| Sig: | label; instruction to the patient |
| x | times or for (e.g., x6 ...six times) |