Contact TheCodexes.com

Sign-in trouble, a pass that does not open, a scratch-off code that will not redeem: email with the address you signed in with. Redeem codes at /claim.

An error in a question, rationale, flowchart or plate: use Report a problem so the exact item is recorded, or email the item code. Confirmed errors are corrected in the live content.

Clerkship directors, residency programs and medical schools can provision cohort passes by invoice or CSV roster. Write with the program name and estimated seat count.

Interviews, guest contributions and partnership requests go to the same address, marked “Partnerships”.