Common prescription sig abbreviations
Sig interpretation is foundational for quantity, directions, and safe order entry.
PTCE Domain Guide
Order Entry PTCE Study Guide
Order Entry PTCE study guide covering sig, days supply, ndc, calculations with original practice questions and common mistakes.
The Order Entry domain is a PTCE content area with a public exam weight of 22.5%. PTCB Coach AI maps original practice questions to this domain so candidates can review concepts, common mistakes, and PTCE-style question patterns before test day.
What To Know
Order Entry Study Focus
Quantity dispensed and days supply calculations
Calculation questions are high-value because they reveal whether students can apply prescription directions, not just memorize facts.
Refill-too-soon and days supply workflow
Refill timing combines calculation and pharmacy workflow judgment.
Unit conversions
Conversions are a core calculation skill and a frequent source of serious errors.
Prescription entry error detection
Entry-error detection connects sig, patient, drug, strength, and quantity checks.
Common Mistakes
Watch For These Patterns
- bid/tid/qid mixups
- qod vs qd confusion
- Forgetting frequency
- Using days as quantity
- Ignoring prior fill date
- Confusing quantity with days supply
- mg/mcg errors
- mL/tsp confusion
Sample Practice
Example PTCE-Style Items
During data entry, the sig includes "bid". What does this abbreviation mean?
Correct answer: twice daily. "bid" means twice daily. Correct sig interpretation supports accurate order entry.
During data entry, the sig includes "tid". What does this abbreviation mean?
Correct answer: three times daily. "tid" means three times daily. Correct sig interpretation supports accurate order entry.
During data entry, the sig includes "qid". What does this abbreviation mean?
Correct answer: four times daily. "qid" means four times daily. Correct sig interpretation supports accurate order entry.
Last reviewed: 2026-06-27. Content type: original educational practice material. Review status: template-reviewed; educator review is recommended before broad public promotion. Source basis: public PTCE content areas and pharmacy technician education references.
FAQ
Common Questions
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No. AI Coach provides study explanations and memory tips only. Candidates should verify high-risk medication and law content against official and current references.