PTCB Cheat Sheet
Sig codes, conversion cues, and safety memory aids for pharmacy tech review. Free · no login.
Sig code core
BID/TID/QID; PO/IV/IM/SQ; PRN; HS; AC/PC; 1 tsp ≈ 5 mL; 1 tbsp ≈ 15 mL (confirm facility standards).
Safety flags
High-alert classes (e.g., insulin, anticoagulants) need heightened checks; never rely on memory for hazardous drug PPE — use USP/facility SOP.
Law cues
C-II refill limits are stricter than non-controlled legend drugs; verify current DEA/state rules rather than memorizing a blog number as eternal fact.
Official sources
OpenExamHub is not affiliated with PTCB. Confirm the current PTCE outline and state rules on ptcb.org.