CNOR (perioperative nursing certification) guideFormat & scoring

CNOR Passing Score: What a Scaled 620 Means and How Results Are Reported

You pass the CNOR with a scaled score of at least 620 on CCI's 200–800 scale. Here is why that isn't a percentage or a number of misses, how CCI sets the standard, what you see after a pass or a fail, and which scoring figures online are wrong.

Short answer

To pass the CNOR you need a scaled score of at least 620 on a scale from 200 to 800. CCI's handbook says a scaled score is neither the number nor the percentage of questions you answered correctly: your raw score on the 185 scored questions is converted so that different exam forms are scored consistently. CCI doesn't publish how many correct answers 620 takes, so no one can give you a safe number of misses. You see pass or fail on screen when you finish; if you don't pass, PSI emails a more detailed score report within 24 hours.

The CNOR passing score is 620, but it is a scaled score, not a count of correct answers. The CNOR handbook (version 5.2026, checked October 27, 2026) says scores "are determined by converting the number of questions answered correctly to a scaled score that ranges from 200 to 800," and "you need a total scaled score of at least 620 to pass."

The CNOR scoring rules in CCI's words

Four statements in the handbook's scoring section define how your result is decided:

  • One decision. "There is one reported pass/fail decision score." Subject areas aren't passed or failed separately
  • Raw to scaled. The scaled score "is transformed from the raw test score (the number of test questions answered correctly)"
  • Not a percentage. "A scaled score is neither the number of questions you answered correctly nor the percentage of questions you answered correctly"
  • Why scaling exists. It "allows for consistent scoring across multiple forms of the exam"

Only the 185 scored questions feed the raw score. The other 15 are pretest questions that CCI says can't be identified, so you can't count your way to a result while you test.

Why 620 isn't a percentage or a number of misses

CCI uses several forms of the CNOR, and a retake is never on the same form as your previous attempt. Forms can differ slightly in difficulty, and the handbook says CCI's standard-setting committee reviews new forms "to determine different cut scores," so the number of correct answers that equals 620 can differ from form to form. Scaling puts every form on the same 200 to 800 line so that 620 means the same standard each time.

Two consequences:

  • 620 out of 800 is not "77.5%." Dividing the scaled score by the top of the scale gives a number with no meaning for the CNOR
  • "How many questions can you miss?" has no published answer. CCI doesn't release the raw score that equals 620. Any specific miss count online is a guess

CCI does give one practical instruction: "Applicants should answer all questions on the exam, as any question not answered may count against the final score." Never leave a question blank. A useful target is a comfortable margin in every subject area, so a hard set of scored questions doesn't decide your result. That's the idea behind planned CNOR progress tracking that shows your accuracy in each subject area.

How CCI sets the CNOR passing score

The handbook says CCI uses the modified-Angoff method for standard setting. It is "criterion-referenced, meaning that the passing score is determined, reviewed, and approved by a panel of subject matter experts." Members of CCI's Standard Setting Committee evaluate new forms of the exam to set their cut scores, and part of that work is taking the new form "just as an examinee would."

In practice, criterion-referenced means you're measured against a fixed standard of what a competent perioperative nurse should know, not ranked against the other people who tested that week. There is no curve. A 620 and a 760 earn the same credential.

What you see after the CNOR

From the handbook's results and credential sections:

  1. Pass or fail on screen. You see the result as soon as you finish.
  2. If you pass: your score report "will not include a detailed breakdown and the passing score will not be revealed."
  3. If you don't pass: PSI emails "a more detailed score report" within 24 hours.
  4. Certificate and verification. Your certificate appears in your CCI account within about a week; the handbook says both "within one week" and "allow up to five business days." You can use the CNOR credential once it can be verified on CCI's website, and you can print the certificate from your account.

Scores aren't reported if exam confidentiality is broken or misconduct at the testing center is reported. If you pass after May 4, 2026, CCI's recertification page says your five-year cycle starts on your exam date.

The handbook doesn't describe what the failing score report contains beyond calling it more detailed. The CNOR retake guide shows how to use whatever it gives you, along with your own practice data.

CNOR scoring figures online that don't match CCI

Several prep sites repeat figures that conflict with CCI's own documents. As checked on October 27, 2026:

Claim you may seeWhat CCI says
A passing score of 500620 on a 200 to 800 scale (handbook)
170 scored and 30 unscored questions185 scored and 15 pretest questions (handbook)
The exam is given by Pearson VUEPSI delivers it at test centers and remotely (handbook)
A first-time pass rate around 54%68.0% of first-time candidates passed in 2025 (Credential Statistics)
CCI doesn't publish a pass rateCCI publishes yearly pass rates for first-time and repeat candidates

When a number matters to your plans, check it against the handbook. The guide to how hard the CNOR is has five years of CCI's pass rates.

If something went wrong during your CNOR

A low score itself can't be appealed. CCI's reconsiderations page lists "failure to achieve a passing score on the examination" and "examination scores, content, questions, answers" among the topics that aren't eligible.

Test conditions are different. If you had disruptive or inappropriate conditions, such as poor lighting, disruptive noise or long screen-load times, you can submit an examination reconsideration within 21 days of your appointment, and you must notify both CCI and PSI. In that request you can ask to reschedule and retake without the usual 30-day wait or without an extra charge. CCI decides; its determinations are final.

Can a practice score predict your CNOR result?

No practice score converts to a CCI scaled score. Passy's free CNOR questions are original, not CCI items, and 20 questions are far too few to estimate a result across seven subject areas. Use practice to find which topics and question styles cost you points, then weigh them by how many scored questions each area carries. At launch, Fix It is planned to keep every CNOR question you miss for another try.

Your next step toward 620 on the CNOR

Build margin where the questions are: patient care and safety (46 scored questions), infection prevention and control (30) and pre/postoperative assessment (28). Start with the 20 free CNOR practice questions to find your weakest area, then plan your weeks with the CNOR study plan guide. The CNOR exam page lists the 620 standard and what full prep is planned to include.

Trust the source

Official sources

Exam policies can change. Use these primary sources for the most current details.