How hard is the CMSRN exam?

You need a standard score of 95, which MSNCB equates to about 71% correct. The breadth is the challenge: it spans every major body system plus pharmacology, prioritization, and the professional role. A question-bank-driven plan that front-loads cardiac, pulmonary, endocrine, and renal content is the most reliable approach.

CMSRN vs MEDSURG-BC: which should I take?

Both certify med-surg nursing and are widely treated as equivalent. CMSRN is from MSNCB/AMSN; MEDSURG-BC is from ANCC. Choose based on what your employer, clinical ladder, or Magnet program recognizes, and compare eligibility and recertification. Confirm acceptance before registering.

What do I need to be eligible for the CMSRN?

A current unencumbered RN license (US, territories, or Canada) and 2,000 hours of med-surg practice within the past 3 years. Two full years of med-surg practice is recommended but the hard requirement is the 2,000 hours.

How much does the CMSRN exam cost?

The initial exam is $394, or $267 for AMSN members, plus a $90 non-refundable processing fee. Confirm current pricing with MSNCB, as fees change.

How do I keep my CMSRN current?

Recertify every 5 years by 90 contact hours or re-exam, plus 1,000 med-surg practice hours in the cycle. Confirm the current requirements with MSNCB.

How to Pass the CMSRN Boards

Certified Medical-Surgical Registered Nurse · MSNCB · Last reviewed June 21, 2026

Built by Keegan, a travel RN · verified against official board sources

Med-surg is the largest nursing specialty, and CMSRN is the credential that proves you have mastered it. The exam is passable with a focused plan. Here is the format, an efficient study timeline, and the prep that actually moves the needle.

Exam quick facts

Exam	MSNCB Certified Medical-Surgical Registered Nurse (CMSRN)
Format	150 multiple-choice questions (125 scored, 25 unscored pretest); computer-based via Pearson VUE test center or OnVUE online
Time	3 hours
Passing standard	Standard (scaled) score of 95, about 71% correct
Pass rate	Not published by MSNCB (the ~75% figure that circulates is the ANCC MEDSURG-BC, a different credential)
Exam fee	$394 ($267 AMSN member), plus a $90 non-refundable processing fee
Recertification	Every 5 years: 90 contact hours or re-exam, plus 1,000 med-surg practice hours in the cycle

Exam specifications and fees change, so always confirm current details with MSNCB before registering.

About the credential

The CMSRN certifies expertise in medical-surgical nursing. It is administered by the Medical-Surgical Nursing Certification Board (MSNCB), the certifying arm affiliated with the Academy of Medical-Surgical Nurses (AMSN). It is one of two recognized med-surg credentials (the other is the ANCC MEDSURG-BC); both validate the same specialty, so check which your employer or clinical ladder prefers. This guide covers the exam, an efficient study plan, eligibility, fees, and recertification.

Who pursues it

Med-surg RNs ready to validate their specialty knowledge
Nurses whose facility offers a certification differential or clinical-ladder credit
RNs using the credential to move into charge, preceptor, or Magnet-facility roles

Does the CMSRN actually raise your pay? (The honest answer)

~60%

of nurses got no direct pay bump for certifying

$1-2/hr (~$2,000-4,000/yr full-time)

typical raise when employers do pay

$1,000-2,000 one-time at some employers

one-time bonus where offered

Here is the part prep vendors and certifying bodies will not lead with: in a large national compensation survey, about 60% of nurses got no direct pay increase for becoming certified. When it does pay, it is typically $1-2/hr or a one-time bonus, and that is set by your employer, not by MSNCB. The often-quoted 'certified nurses earn more' figure largely reflects that certified nurses also tend to be more experienced and in higher-paying roles. So treat CMSRN as a role and ladder differentiator, and confirm the exact dollar amount with your HR before you assume a raise.

When it's worth it anyway

Your facility has a clinical-ladder program or certification differential; ask HR for the exact amount first.
It is required or preferred for a charge, preceptor, or Magnet-facility role you want.
You are using it as a resume differentiator to move within or into med-surg.
You want the broad knowledge and confidence for your own practice, a valid non-financial reason.

Verified June 21, 2026. Sources:Medscape RN/LPN Compensation Report (about 60% received no reward for certification)

Eligibility

A current, unencumbered RN license in the US, its territories, or Canada
2,000 hours of medical-surgical nursing practice within the past 3 years
Two full years of med-surg RN practice is recommended (not strictly required; the hard rule is the 2,000 hours)

A study plan that works

1Weeks 1-2: Map the MSNCB CMSRN test content outline and benchmark. Let the outline's domains define your study map, and take a full-length practice set early so your schedule targets your actual weak areas rather than the topics that feel scariest.
2Weeks 1-6: Run a question bank daily from day one. Med-surg board questions are application-level, so reps surface gaps reading hides. Aim for 30-50 questions a day and review every one, including why each wrong option is wrong.
3Weeks 2-4: Front-load the high-volume body systems. Cardiovascular, pulmonary, endocrine (especially diabetes management), renal and fluid/electrolyte balance, and GI carry the most questions on a med-surg exam; drill the common conditions, labs, and complications.
4Weeks 3-5: Cover pharmacology and safe medication administration. Drug classes, high-alert medications, interactions, and monitoring parameters; med-surg leans heavily on applying pharmacology at the bedside.
5Weeks 4-6: Add the cross-cutting domains. Pain management, perioperative and wound care, infection prevention, oncology and palliative basics, and the professional-role content (delegation, prioritization, patient education, and safety).
6Weeks 4-6: Drill prioritization and delegation. Med-surg exams test who you see first and what you delegate; practice the question style explicitly, it is a frequent point-loser.
7Weeks 7-8: Switch to timed, mixed practice. Take full-length sets under exam conditions to build stamina for 150 questions in 3 hours and rehearse pacing.
8Final week: Consolidate, do not cram. Work your error log and high-yield sheets, taper new material, protect sleep, and confirm your Pearson VUE or OnVUE logistics.
9Throughout: Keep one error log. Every missed question goes in it with the reason; reviewing it in the final week is the single highest-return activity.

Best CMSRN review courses & question banks

BoardVitals Med-Surg (CMSRN) Question Bank
Subscription qbank
Large board-style med-surg question pool with rationales; a strong primary qbank for application-level practice.
View BoardVitals
AMSN CMSRN Review Course & Materials
Review course / books
The Academy of Medical-Surgical Nurses' own review course and study materials, blueprint-aligned. (Listed for completeness; no affiliate relationship.)

Some links are affiliate links. If you buy through them, RenewRN may earn a commission at no extra cost to you. Courses listed without a link are included for completeness; we have no affiliate relationship with them.

Recommended CMSRN books

Medical-Surgical Nursing Certification Review (CMSRN)
A blueprint-aligned review-and-question resource for the MSNCB exam.
View on Amazon
Core Curriculum for Medical-Surgical Nursing (AMSN)
The AMSN core curriculum the exam is built around; a thorough reference.
View on Amazon

As an Amazon Associate, RenewRN earns from qualifying purchases, at no extra cost to you.

Want to gauge where you stand before committing to a full qbank? Start with a set of med-surg practice questions and see which body systems need the most work.

Try free CMSRN practice questions

Which exam to take

Two credentials certify med-surg nursing: the CMSRN (MSNCB) and the MEDSURG-BC (ANCC, formerly RN-BC). They validate the same specialty and are widely treated as equivalent, but eligibility, fees, and recertification differ. Pick based on what your employer, clinical ladder, or Magnet program recognizes, and confirm before you register.

Keeping it current

MSNCB requires recertification every 5 years. You can recertify by earning 90 verified contact hours or by re-examination; either way you must also have worked 1,000 med-surg practice hours during the 5-year cycle. Confirm the current contact-hour and fee details with MSNCB.

Frequently asked questions

How hard is the CMSRN exam?: You need a standard score of 95, which MSNCB equates to about 71% correct. The breadth is the challenge: it spans every major body system plus pharmacology, prioritization, and the professional role. A question-bank-driven plan that front-loads cardiac, pulmonary, endocrine, and renal content is the most reliable approach.
CMSRN vs MEDSURG-BC: which should I take?: Both certify med-surg nursing and are widely treated as equivalent. CMSRN is from MSNCB/AMSN; MEDSURG-BC is from ANCC. Choose based on what your employer, clinical ladder, or Magnet program recognizes, and compare eligibility and recertification. Confirm acceptance before registering.
What do I need to be eligible for the CMSRN?: A current unencumbered RN license (US, territories, or Canada) and 2,000 hours of med-surg practice within the past 3 years. Two full years of med-surg practice is recommended but the hard requirement is the 2,000 hours.
How much does the CMSRN exam cost?: The initial exam is $394, or $267 for AMSN members, plus a $90 non-refundable processing fee. Confirm current pricing with MSNCB, as fees change.
How do I keep my CMSRN current?: Recertify every 5 years by 90 contact hours or re-exam, plus 1,000 med-surg practice hours in the cycle. Confirm the current requirements with MSNCB.

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