The Ins and Outs of Being an Adult CCRN®

/ Nursing / By / August 20, 2025
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What Does It Mean to Be an Adult Critical Care Nurse (Adult CCRN®)?

Thinking about the next step in your career? The nursing profession is a robust field, with certifications spanning clinical, managerial, and educational specialties. But which is the best choice for you? Here, we’ll take a deep dive into what it means to be an Adult Critical Care Registered Nurse (Adult CCRN®).

Adult CCRN®: What Does It Mean?

Adult critical care registered nurses, or Adult CCRNs®, are certified to work in intensive care units (ICUs) or similar settings, caring for critically ill patients.

If you’re interested in eligibility requirements, check out our full guide: How to Certify.

What Does an Adult CCRN® Do?

Adult CCRNs® care for adults with serious, unstable, or life-threatening conditions. Some may be comatose or at end-of-life.

They typically work in specialized hospital units such as:

  • Intensive Care Units (ICU)

  • Cardiac Care Units (CCU)

  • Neurological Units

  • Trauma Units

  • Critical Care Transport

Adult CCRNs® often manage patients who are on ventilators, feeding tubes, or advanced monitoring systems. Because of the complexity of care, staffing ratios are much smaller compared to general medical-surgical units. While medical-surgical nurses may care for as many as 10 patients at once, ICU ratios are typically 1 nurse to 2 patients.

What Type of Person Excels as an Adult CCRN®?

As with nearly all nursing roles, compassion and empathy are essential. Adult CCRNs® must build strong relationships not only with their patients but also with patients’ families. This helps establish trust and ensures clear communication during critical moments.

Adult CCRNs® must also embrace lifelong learning. ICU care is constantly evolving with new protocols, procedures, and high-tech equipment. To succeed, CCRNs® must stay adaptable, curious, and up to date on the latest standards of care.

How Do I Become an Adult CCRN®?

To become an Adult CCRN® you must:

  1. Hold an RN license – active and unrestricted.

  2. Gain clinical experience – at least 1,750 hours of direct bedside care in a critical care setting within two years.

  3. Pass the certification exam – administered by the American Association of Critical-Care Nurses (AACN), available in both computer-based and paper formats.

Certification is valid for three years, which is shorter than many other nursing certifications. Staying current on best practices will make recertification much easier when the time comes.

👉 Read more about requirements here: How to Certify.

Preparing for the Exam

Ready to get started? We’ve got you covered:

Resources

  • Academy of Medical-Surgical Nurses. (n.d.). Question: What is the suggested nurse/patient ratio and the suggested CNA/patient ratio for a medical-surgical floor? Retrieved from: AMSN.org

  • American Association of Critical-Care Nurses. (n.d.). CCRN (Adult). Retrieved from: AACN.org

  • Menzies Kent, K. (2014). Adult CCRN Certification Review. New York: Springer Publishing.

👉 Adult Critical Care Nurse Certification Overview

Springer Publishing Editorial Staff
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