One of the most common questions asked by medical students preparing for the Prescribing Safety Assessment (PSA) is: What is the PSA pass mark?
The PSA is designed to assess prescribing competence in a range of clinical scenarios and forms an important component of preparation for Foundation Year practice. Understanding how the examination is scored can help candidates plan their revision and set realistic performance goals.
The PSA does not always use exactly the same pass mark each year.
The pass mark is determined using standard-setting methods and may vary slightly between sittings. This ensures that the required standard remains appropriate even if examination difficulty differs between assessments.
For this reason, students should avoid focusing solely on achieving a minimum score and instead aim for strong overall performance across all assessment domains.
Although the pass standard may vary, a sensible target for most students is:
✅ Aim for 70% or above in practice assessments.
Achieving consistent scores at this level typically provides a comfortable margin above the expected pass threshold while demonstrating competence across the PSA curriculum.
The PSA consists of eight assessment domains:
Prescribing
Prescription Review
Planning Management
Providing Information
Calculation Skills
Adverse Drug Reactions
Drug Monitoring
Data Interpretation
Questions may carry different marks depending on the task, and some questions contain multiple components. Success requires balanced performance across all domains rather than expertise in only one area.
Many students search for the PSA pass mark shortly before the examination. However, fixation on the minimum score can be misleading. Candidates should instead focus on:
Understanding common prescribing scenarios
Developing familiarity with the BNF
Practising calculations
Recognising adverse drug reactions
Interpreting clinical data safely
Completing timed mock assessments
These skills are ultimately what the PSA is designed to measure.
To maximise your chances of success:
Complete official PSA practice papers.
Become confident navigating the BNF quickly.
Practise prescribing for common acute and chronic conditions.
Review fluid prescribing and insulin prescribing.
Strengthen calculation and monitoring skills.
Replicate exam conditions during revision.
What is the pass mark for the PSA?
There is no single fixed pass mark. The score may vary between examination sittings following standard-setting procedures.
Is 70% enough to pass the PSA?
While the exact pass threshold varies, achieving around 70% in practice assessments is generally considered a strong target.
Do I need to pass every PSA domain?
The PSA awards a total examination score. Success depends on overall performance rather than separately passing individual domains.
Is the PSA difficult?
Most students who prepare using official resources and complete multiple practice papers perform well. Time management and familiarity with prescribing resources are often the biggest challenges.
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