Order Entry/Processing

What does BID mean?

Twice daily

What does TID mean?

Three times daily

What does QID mean?

Four times daily

What does QD mean?

Once daily

What does PRN mean?

As needed

What does PO mean?

By mouth

What does PR mean?

Rectally

What does SL mean?

Sublingually, under the tongue

What does IM mean?

Intramuscular

What does IV mean?

Intravenous

What does SQ or SC mean?

Subcutaneous

What does TOP mean?

Topically

What does AC mean?

Before meals

What does PC mean?

After meals

What does HS mean?

At bedtime

What does NPO mean?

Nothing by mouth

What does STAT mean?

Immediately

What does q4h mean?

Every 4 hours

What does q6h mean?

Every 6 hours

What does q8h mean?

Every 8 hours

What does q12h mean?

Every 12 hours

What does DAW mean?

Dispense as written

What does OTC mean?

Over the counter

What does NKA mean?

No known allergies

What does NKDA mean?

No known drug allergies

What does Sig mean?

Directions for medication use

What does Rx mean?

Prescription

What does Disp mean?

Dispense

What does Qty mean?

Quantity

What does Ref mean?

Refills

What does mg mean?

Milligram

What does mcg mean?

Microgram

What does mL mean?

Milliliter

How many micrograms are in 1 milligram?

1,000 mcg

How many milligrams are in 1 gram?

1,000 mg

How many grams are in 1 kilogram?

1,000 g

How many milligrams are in 1 kilogram?

1,000,000 mg

How many milligrams are in 500 mcg?

0.5 mg

How many micrograms are in 0.5 mg?

500 mcg

How many milligrams are in 250 mcg?

0.25 mg

How many grams are in 500 mg?

0.5 g

How many milligrams are in 0.25 g?

250 mg

How many milliliters are in 1 liter?

1,000 mL

How many liters are in 500 mL?

0.5 L

How many Liters are in 250 mL?

0.25 L

How many microliters are in 1 mL?

1,000 mcL

How many milliliters are in 1 teaspoon?

5 mL

How many milliliters are in 1 tablespoon?

15 mL

How many teaspoons are in 1 tablespoon?

3 teaspoons

How many tablespoons are in 1 fluid ounce?

2 tablespoons

How many milliliters are in 1 fluid ounce?

Approximately 30 mL

How many fluid ounces are in 1 cup?

8 fluid ounces

How many milliliters are in 1 cup?

Approximately 240 mL

How many cups are in 1 pint?

2 cups

How many fluid ounces are in 1 pint?

16 fluid ounces

How many milliliters are in 1 pint?

Approximately 480 mL

How many pints are in 1 quart?

2 pints

How many quarts are in 1 gallon?

4 quarts

How many milliliters are in 1 gallon?

Approximately 3,785 mL

How many pounds are in 1 kilogram?

Approximately 2.2 lb

How many kilograms are in 1 pound?

Approximately 0.45 kg

How many ounces are in 1 pound?

16 oz

How many grams are in 1 ounce?

Approximately 28.35 g

How many milligrams are in 1 grain?

Approximately 65 mg

How many grains are in 1 gram?

Approximately 15.4 grains

What is the formula for Celsius to Fahrenheit?

(°C × 9/5) + 32

What is the formula for Fahrenheit to Celsius?

(°F - 32) × 5/9

What is the formula for days supply?

Quantity dispensed divided by total daily use

What is the formula for total daily dose?

Dose per administration multiplied by administrations per day

A patient takes 1 tablet twice daily for 30 days. How many tablets are needed?

60 tablets

A patient takes 2 tablets three times daily for 10 days. How many tablets are needed?

60 tablets

A patient takes 1 capsule every 8 hours for 7 days. How many capsules are needed?

21 capsules

A patient takes 5 mL twice daily for 10 days. How much medication is needed?

100 mL

A patient takes 10 mL three times daily for 7 days. How much medication is needed?

210 mL

What is the formula for dose calculation?

Desired dose ÷ dose on hand × quantity on hand

What does concentration mean?

Amount of medication contained in a specific volume or amount

What does 250 mg/5 mL mean?

250 mg of medication in every 5 mL

How many milligrams are in 10 mL of a 250 mg/5 mL solution?

500 mg

How many milligrams are in 5 mL of a 125 mg/5 mL solution?

125 mg

How many milligrams are in 10 mL of a 125 mg/5 mL solution?

250 mg

What does 1% w/v mean?

1 gram per 100 mL

How many mg/mL are in a 1% w/v solution?

10 mg/mL

How many mg/mL are in a 2% w/v solution?

20 mg/mL

How many mg/mL are in a 5% w/v solution?

50 mg/mL

What is a ratio?

A comparison of two quantities

What does 1:1,000 represent as a percentage?

0.1%

What does 1:10,000 represent as a percentage?

0.01%

What is a proportion?

An equation showing two equal ratios

What is dilution?

Reducing medication concentration by adding a diluent

What is a diluent?

A liquid or substance added to dilute a medication

What does Roman numeral I mean?

1

What does Roman numeral II mean?

2

What does Roman numeral III mean?

3

What does Roman numeral IV mean?

4

What does Roman numeral V mean?

5

What does Roman numeral X mean?

10

What does Roman numeral L mean?

50

What does Roman numeral C mean?

100

What does Roman numeral D mean?

500

What does Roman numeral M mean?

1,000