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Sig Codes and Con
Sig Codes and Conversions
| Term | Definition |
|---|---|
| q12h | Every 12 hours |
| h.s. | Bedtime; hour of sleep |
| UD | As directed |
| mg | Milligram |
| L | Liter |
| SVP | Small volume parenteral |
| SC; SQ | Subcutaneous; under the surface of the skin |
| q4h | Every 4 hours |
| q.i.d. | Four times a day |
| EC | Enteric coated |
| IVP | Intravenous push |
| 1 teaspoon (tsp) | 5 milliliters (mL) |
| q.a.m. | Every morning |
| PR | Rectally |
| 1 liter (L) | 1,000 milliliters (mL) |
| a.c. | Before meals |
| q.d. | Once daily |
| ss | One half |
| TBSP; tbsp | Tablespoon |
| q8h | Every 8 hours |
| 1 fluid pint | 473 mL, sometimes rounded to 480 mL, 16 fluid ounces (oz) |
| BUC | Buccal; between the gums and cheek |
| TSP; tsp | Teaspoon |
| q.o.d. | Every other day |
| b.i.d. | Two times a day |
| GI | Gastrointestinal |
| mEq | Milliequivalent |
| SUPP | Suppository |
| 1 tablespoon (tbsp) | 15 milliliters (mL), 3 teaspoons (tsp) |
| ER; XR; XL | Extended release |
| mL | Milliliter |
| vag | Vaginally |
| LVP | Large volume parenteral |
| SR | Sustained release |
| OU | Both eyes |
| lb | Pound |
| p.r.n. | As needed |
| TPN | Total parenteral nutrition |
| q.p.m. | Every evening |
| MDI | Metered-dose inhaler |
| q48h | Every 48 hours |
| p.c. | After meals |
| PCA | Patient-controlled anesthesia |
| 1 ounce (oz) | 28.35 g, sometimes rounded to 30 g |
| PN | Parenteral nutrition |
| AS | Left ear |
| U | Unit |
| q2h | Every 2 hours |
| INJ | Inject; injection |
| gr | Grain |
| IVF | Intravenous fluid |
| 1 fluid ounce (fl oz) | 29.6 mL, sometimes rounded to 30 mL |
| PO | Orally; by mouth |
| Tab | Tablet |
| OS | Left eye |
| NPO | Nothing by mouth |
| q.h. | Every hour |
| OD | Right eye |
| Cap | Capsule |
| IVPB | Intravenous piggyback |
| AD | Right ear |
| 1 pound (lb) | 454 grams (g), 16 ounces (oz) |
| SL | Sublingual; under the tongue |
| h; hr | Hour |
| mL/min | Milliliters per minute |
| PV | Vaginally |
| Elix | Elixir |
| 1 kilogram (kg) | 2.2 pounds (lbs), 1,000 grams (g) |
| t.i.w. | Three times a week |
| Stat | Immediately; now |
| kg | Kilogram |
| IV | Intravenous |
| AAA | Apply to the affected area |
| t.i.d. | Three times a day |
| ung | Ointment |
| mcg | Microgram |
| q6h | Every 6 hours |
| 1 gram (g) | 1,000 milligrams (mg) |
| TDS | Transdermal delivery system |
| AU | Both ears |
| mL/hr | Milliliters per hour |
| oz | Ounce |
| qs; QSAD | A sufficient quantity to make |
| q; Q | Every |
| IM | Intramuscular |
| gtt/gtts | Drop/drops |
| g; G; GM | Gram |
| q24h | Every 24 hours |
| 1 gallon | 128 fl oz |