A NANDA nursing diagnosis is a standardized clinical judgment that describes a patient’s response to a health condition or life situation. Developed and maintained by NANDA International (NANDA-I), these diagnoses give nurses a shared vocabulary to document what they observe, plan appropriate care, and communicate clearly with other healthcare professionals. The current 2024–2026 edition contains 277 approved diagnoses, organized into a classification system of 13 domains and 47 classes.
How It Differs From a Medical Diagnosis
A medical diagnosis names a disease. A nursing diagnosis names how the patient is responding to that disease, and what the nurse can do about it. A physician might diagnose someone with pneumonia. A nurse caring for that same patient might identify “ineffective breathing pattern” as the nursing diagnosis, because the focus is on the patient’s difficulty breathing and what nursing interventions can improve it.
This distinction matters because nursing diagnoses are holistic. They cover physical, emotional, social, and spiritual needs, not just the illness itself. A patient recovering from surgery might have a medical diagnosis of “post-operative hip replacement,” but a nurse could identify several nursing diagnoses: acute pain, impaired physical mobility, risk for infection, and ineffective coping if the patient is struggling emotionally. Nursing diagnoses are also dynamic. They change as the patient’s condition improves or worsens, while a medical diagnosis typically stays the same until the disease resolves.
Where It Fits in the Nursing Process
The nursing process follows five steps, often abbreviated as ADPIE: assessment, diagnosis, planning, implementation, and evaluation. The diagnosis step is the bridge between gathering information and acting on it. After a nurse collects data through observation, patient interviews, and physical examination, they analyze that data and identify the nursing diagnoses that apply. The American Nurses Association defines this step as “the nurse’s clinical judgment about the client’s response to actual or potential health conditions or needs.”
Once diagnoses are identified, they become the foundation for everything that follows. The care plan’s goals are built around resolving or managing those diagnoses. Interventions are chosen specifically to address them. And during evaluation, the nurse checks whether the diagnoses have improved, worsened, or been resolved. Without a clear diagnosis, the rest of the process has no anchor.
The Four Types of Nursing Diagnoses
Problem-Focused
These describe an actual problem that’s already present, confirmed by observable signs and symptoms. They’re the most common type. Examples include impaired skin integrity related to a pressure ulcer, ineffective coping related to the recent loss of a loved one as evidenced by tearfulness and social withdrawal, or impaired mobility related to a musculoskeletal injury as evidenced by limited range of motion.
Risk
Risk diagnoses identify problems that haven’t happened yet but are likely to develop without intervention. A patient on prolonged bed rest might receive a diagnosis of “risk for impaired skin integrity related to immobility.” A patient with a compromised immune system from chemotherapy could be diagnosed with “risk for infection.” These diagnoses don’t include signs and symptoms because the problem hasn’t manifested. They’re based on the nurse’s judgment about the patient’s vulnerabilities.
Health Promotion
Health promotion diagnoses aren’t about problems or risks at all. They focus on a patient’s motivation to improve their well-being. A patient who expresses interest in eating better might receive a diagnosis of “readiness for enhanced nutrition related to expressed desire to improve dietary habits.” These diagnoses recognize that nursing care isn’t only about treating illness. It also involves supporting people who want to take active steps toward better health.
Syndrome
Syndrome diagnoses describe a cluster of nursing diagnoses that commonly occur together. Rather than listing five or six individual diagnoses that always travel as a group, a single syndrome diagnosis captures the whole picture. These are less commonly used but help streamline care planning for complex situations.
How a Nursing Diagnosis Is Written
Problem-focused nursing diagnoses follow a three-part structure known as the PES format: Problem, Etiology, and Symptoms. The formula reads like this:
- Problem: The NANDA-approved diagnosis label (e.g., “impaired physical mobility”)
- Etiology: The cause or contributing factor, connected by the phrase “related to” (e.g., “related to decreased muscle control”)
- Symptoms: The observable evidence, connected by the phrase “as evidenced by” (e.g., “as evidenced by inability to control lower extremities”)
Put together, the full statement reads: “Impaired physical mobility related to decreased muscle control as evidenced by inability to control lower extremities.” Each piece serves a purpose. The problem tells you what’s wrong. The etiology tells you why, which guides your choice of interventions. The symptoms prove the diagnosis exists, grounding it in objective or subjective data you actually collected from the patient.
Risk diagnoses are shorter because there are no symptoms yet. They follow a two-part format: the diagnosis label plus risk factors. For example, “risk for falls related to history of falls, impaired mobility, and use of sedative medications.” Health promotion diagnoses also skip the symptom component, since there’s no problem to prove.
Common Nursing Diagnoses You’ll See in Practice
Some diagnoses appear far more often than others, simply because they reflect the most universal patient needs. Among the most frequently used are acute pain, impaired physical mobility, fatigue, insomnia, impaired gas exchange, constipation, and imbalanced nutrition (less than body requirements). Risk for unstable blood glucose level and impaired swallowing also appear regularly, particularly in hospital and long-term care settings.
These diagnoses cut across nearly every medical condition. A patient admitted for heart failure might have impaired gas exchange, fatigue, and imbalanced nutrition. A post-surgical patient might have acute pain, impaired mobility, and risk for infection. The versatility of nursing diagnoses is part of their value: they let nurses describe patient needs in a way that isn’t tied to a single disease.
How NANDA-I Approves New Diagnoses
Not just any diagnosis makes it into the official list. NANDA-I uses a tiered evidence system to evaluate proposed diagnoses before they’re accepted. At the most basic level, a proposed diagnosis needs a clear definition, defining characteristics, and related or risk factors supported by theoretical references or expert opinion. From there, the bar rises. A concept analysis drawing on a substantive body of published literature is required to demonstrate the diagnosis reflects real clinical knowledge. At the highest levels, clinical validation studies with patient data are needed to confirm the diagnosis is useful and accurate in practice.
New diagnoses enter the taxonomy with a “received for development” label, signaling that they’re available for discussion and testing but haven’t yet been fully validated. The 2024–2026 edition added 56 new diagnoses to the classification, bringing the total to 277. This ongoing refinement is central to NANDA-I’s mission: the terminology evolves as nursing knowledge evolves.
Why Standardized Diagnoses Matter
Before standardized nursing diagnoses existed, nurses described patient problems in their own words, making it difficult to compare care across settings, track outcomes, or demonstrate the value of nursing interventions. NANDA-I’s terminology solves that problem. When every nurse uses the same label for the same clinical judgment, documentation becomes consistent and meaningful.
That consistency has practical consequences. It supports continuity of care when patients transfer between units or facilities. It enables data collection that can reveal patterns in patient outcomes. It also plays a role in reimbursement, since accurate documentation of nursing judgments can justify the resources devoted to patient care. As NANDA International puts it, nursing diagnoses “define what we know. They are our words.”