What Is the Nursing Standard of Care?

The nursing standard of care is the degree of care, skill and judgment that a reasonably prudent nurse with similar training would use in the same or similar circumstances. It is a legal standard applied to clinical facts, and it is usually proved through a qualified nurse expert. It is not perfection, not the best care imaginable, and not simply whatever a hospital policy says, although policies, professional standards and the state's nurse practice act are all evidence of what it requires.

The definition, piece by piece

• "Reasonably prudent nurse." The test is objective. The question is what a careful nurse would have done, not what this nurse believed was enough.
• "Similar training." A registered nurse is measured against registered nurses, a licensed practical nurse against LPN practice, and an ICU nurse against ICU nursing. How advanced practice nurses are measured, and against whom, varies by jurisdiction.
• "Same or similar circumstances." The patient's condition, the information available at the time, the setting and its resources, and whether it was an emergency. The standard is applied to what the nurse knew or should have known then, not to what everyone knows now.
• Where. Some states apply a national standard, others a locality or similar-community rule. Check the statute and case law that govern your case.

Where evidence of the standard comes from

An expert ties these sources to the facts. Policies deserve particular care; hospital policies in nursing negligence cases explains how they are used and challenged.

What it usually requires at the bedside

The nursing process (assessment, diagnosis, planning, implementation, evaluation) frames most opinions. In practice, the standard generally requires a nurse to:

1. Assess and reassess at the frequency the orders, the facility's policy and the patient's condition require, and more often when the condition changes.
2. Recognize abnormal findings and worrying trends, not just single values.
3. Communicate significant changes to the responsible provider promptly and clearly, and document the call and the response.
4. Escalate through the chain of command when the response does not fit the patient's condition. This is the core of most failure to rescue cases.
5. Carry out orders safely: follow the rights of medication administration, and question an order that appears unsafe before acting on it.
6. Protect the patient from foreseeable harm, such as falls, pressure injuries and self-harm, in line with the risk assessments.
7. Delegate only within each team member's scope, and supervise what was delegated.
8. Advocate for the patient when care is delayed or a concern is dismissed.
9. Document accurately, at or near the time of care.
10. Educate the patient and family, including at discharge.

These duties are stated generally because the specifics depend on the patient and the setting. How often to reassess a postoperative patient receiving opioids, or what counts as a significant change on a labor unit, is defined by the orders, the policy and specialty practice. That is why the reviewing nurse should come from the same specialty: an ICU nurse and a long-term-care nurse can both describe "assess and escalate", but only one of them has done it on that unit.

What it is not

• Not the best possible care. The standard is reasonable care. Where reasonable nurses could choose among acceptable options, choosing one is not a breach.
• Not hindsight. A bad outcome does not prove a breach, and the review must stay within what was known or knowable at the time.
• Not identical to policy. A facility may set expectations above the standard, and a policy can be outdated. A policy violation is evidence, not automatic negligence.
• Not a medical standard. Nursing is a distinct profession with its own duties. Who may testify to it is a separate question; see can a physician testify on nursing standard of care?

How it is proved

In most cases a qualified nurse expert witness testifies to what the standard required and whether it was met. Qualification rules (specialty, active practice, licensure) vary by state, and some courts allow a case to proceed without an expert where the failure is within common knowledge, a narrow exception that also varies. Many states also require a certificate or affidavit of merit early in the case; see certificate of merit in medical malpractice.

A breach alone does not win a case. Causation and damages still need proof, and medical causation usually needs a physician.

How a nurse reviewer applies it

A standard of care review works through the chart one decision point at a time:

1. What did the nurse know, or should have known, at this moment?
2. What would a reasonably prudent nurse in the same specialty and setting have done?
3. What did this nurse do, according to the record?
4. Which sources support the expected action?
5. Did the gap plausibly contribute to the harm, and what kind of causation expert will be needed?

Our standard of care deviation audit shows how each deviation is written up with its sources and citations.

Next step

Start a case and nurses from the same specialty send proposals to review whether the care met the standard, point by point. Records stay private until you hire.

General information for legal professionals, not legal advice. Rules and deadlines vary by state; check the statute and local rules that govern your case.