Contact, and where your question will get an answer

Lindley Test Prep is run as a reference, not as a help desk. It has no address to write to, no form and no chat, and it cannot look up a candidate record because it holds none. If a page here and a board's document disagree, the board's document wins; every fact table links each row to the document we read.

The Commission on Dietetic Registration (CDR) handles eligibility, the Authorization to Test, reauthorization before a retake and, after a pass, the annual registration fee and the Professional Development Portfolio. Booking runs through Pearson VUE once eligibility is confirmed, and the RD registration page walks through the steps in order. CDR's website has the forms and the portal.

The RD is a national registration, not a state license. Questions about practicing in a particular state go to that state's licensing board, which may set rules of its own.

The Certification Board for Diabetes Care and Education (CBDCE) reviews applications, asks for documents when an application is picked for audit, and handles renewal. Once an application is approved, the exam itself is scheduled with PSI. Applications start on the board's website.

ADCES, the professional association for diabetes care and education specialists, is a separate organization and does not run this exam. The CDCES registration page sets out the application steps, the testing window and the rescheduling rules.

Every figure on the site is drawn from one record per exam, and each row of a fact table shows the document it was read from and when that reading happened. When a fresh reading shows that a board has changed a fee, a rule or an outline, the record is updated from the new document, and every page that quotes that figure changes with it.

Rules that a board has adopted for a later date are kept with their dates. The RD pages, for example, are written so that they read correctly both before and after January 1, 2027, when new test specifications take over.

Open the document linked from that row and compare the two. Where they differ, go by the board's document: that is the version your application will be judged against.

A wrong figure here is corrected at its source record, so the fix reaches every page that uses it at once and carries a new checked date. How sources are chosen and what the dates mean is set out on the About page.