Medical SIG Codes and Meanings

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A complete set of flashcards covering medical SIG codes and their corresponding interpretations.

Last updated 8:03 AM on 9/10/26
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49 Terms

1
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What does the SIG code "qid" mean?

4 times a day

2
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What does the SIG code "NPO" mean?

Nothing by mouth

3
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What does the SIG code "gtt" mean?

Drop(s)

4
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What does the SIG code "q4h" mean?

Every 4 hours

5
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What does the SIG code "mL" mean?

Milliliters

6
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What does the SIG code "hs" mean?

At bedtime

7
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What does the SIG symbol "<" mean?

Less than

8
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What do the SIG codes "tbsp, T" mean?

Tablespoon

9
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What does the SIG code "mcg" mean?

Microgram

10
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What does the SIG code "cap(s)" mean?

Capsule(s)

11
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What does the SIG code "gr" mean?

Grain

12
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What does the SIG code "noc" mean?

At night

13
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What does the SIG code "OTC" mean?

Over the counter

14
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What does the SIG code "bid" mean?

2 times a day

15
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What does the SIG code "qh" mean?

Every hour

16
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What does the SIG code "q2h" mean?

Every 2 hours

17
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What does the SIG code "kg" mean?

Kilograms

18
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What does the SIG code "IM" mean?

Intramuscular

19
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What does the SIG code "IV" mean?

Intravenous

20
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What do the SIG codes "d/c, D/C" mean?

Discontinue

21
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What does the SIG code "Rx" mean?

Prescription

22
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What does the SIG code "tid" mean?

3 times a day

23
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What does the SIG code "qod" mean?

Every other day

24
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What does the SIG code "rep" mean?

Repeat

25
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What does the SIG code "qs" mean?

Quantity sufficient

26
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What does the SIG code "OD" mean?

Right eye

27
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What does the SIG code "PRN" mean?

As needed

28
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What does the SIG code "tab" mean?

Tablet

29
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What does the SIG code "oint" mean?

Ointment

30
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What does the SIG code "syr" mean?

Syrup

31
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What does the SIG code "inj" mean?

Injection

32
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What does the SIG code "supp" mean?

Suppository

33
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What does the SIG code "OU" mean?

Both eyes

34
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What does the SIG code "UD" mean?

As directed

35
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What does the SIG code "AD" mean?

Right ear

36
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What does the SIG code "AS" mean?

Left ear

37
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What does the SIG code "qam" mean?

Every morning

38
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What do the SIG codes "tsp, t" mean?

Teaspoon

39
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What does the SIG code "NKDA" mean?

No known drug allergies

40
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What does the SIG code "AA" mean?

Of each

41
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What does the SIG code "po" mean?

By mouth

42
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What does the SIG code "c" mean?

With

43
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What does the SIG code "OS" mean?

Left eye

44
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What does the SIG code "ac" mean?

Before meals

45
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What does the SIG code "qpm" mean?

Every evening

46
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What does the SIG code "stat" mean?

Immediately

47
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What does the SIG code "q12h" mean?

Every 12 hours

48
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What does the SIG code "qd" mean?

Every day

49
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What does the SIG code "ss" mean?

Half