Nursing care
Risk for infection nursing diagnosis: how to write it and when it stops applying
Written and reviewed by Rachel Goldberg, MSN, RN, CEN · 4 min read · Updated November 2026
Short answer
Risk for infection is a risk nursing diagnosis for a patient with no infection yet but with factors that make one likely, such as a surgical incision, an IV line or urinary catheter, diabetes, smoking or a weak immune system. Because nothing has happened yet, the statement lists risk factors instead of signs, and each intervention should target one of them.
Risk factors and the prevention step each one calls for
The NANDA-I label means the patient is more likely than usual to be invaded by germs. CDC names smoking, diabetes and obesity as conditions that raise surgical site infection risk, and its core practices treat every invasive device as an entry point to justify daily.
| Risk factor | Nursing intervention | Rationale |
|---|---|---|
| Surgical incision | Keep the dressing intact, clean hands before touching it, teach visitors not to touch the wound | Broken skin lets germs in, and hands carry them |
| IV line or urinary catheter | Use aseptic technique for access, ask each day whether the device is still needed | CDC advises removing invasive devices as soon as it is safe |
| Smoking | Encourage cessation, refer to a quit program | Smoking reduces oxygen reaching the wound, slowing healing and raising infection risk |
| Diabetes or obesity | Monitor glucose per orders, inspect skin folds and wound edges | CDC lists both as surgical site infection risk factors |
| Hands of staff and family | Hand hygiene before and after contact, after glove removal | Gloves do not replace hand hygiene |
Writing it for a surgical incision without signs and symptoms
A risk diagnosis has no defining characteristics, because the problem has not happened. Most programs write two parts, the label plus its risk factors, and some join them with related to while others use as evidenced by. That explains the common search for risk for infection related to surgical incision as evidenced by. Follow your school's rubric for the joining words.
Hypothetical statement for a 59-year-old man on day 1 after open bowel surgery: Risk for infection as evidenced by an abdominal incision, a peripheral IV, an indwelling urinary catheter, type 2 diabetes and a 30 pack-year smoking history. The goal: remains free of infection, shown by a clean, dry incision without spreading redness, no fever, and clear urine at discharge.
Hand hygiene choices that show up in exam questions
CDC prefers alcohol-based hand rub for most care because it kills germs more effectively than soap and is gentler on skin. Soap and water is the choice when hands are visibly soiled, and during Clostridioides difficile or norovirus outbreaks. Hands are cleaned before touching a patient, before an aseptic task, after body fluid exposure, after touching the patient's surroundings, and right after removing gloves.
A practice item might show a nurse who puts on gloves to change a dressing without cleaning hands first. That is wrong even though gloves were worn, since CDC states plainly that gloves are not a substitute. Moving from a soiled site to a clean site on the same patient also needs hand hygiene in between.
When risk for infection is no longer the right label
Once signs appear, the risk has turned into an actual problem. CDC lists redness and pain around the incision, cloudy drainage and fever as surgical site infection signs. At that point, leaving risk for infection on the care plan is the mistake instructors mark down, because prevention has failed and the plan must now address the infection.
Infection itself is usually managed as a collaborative problem with the prescriber, while the nursing diagnoses shift to what the infection is doing, such as hyperthermia or impaired skin integrity around a wound that has opened. Before discharge, CDC wants patients to understand their wound care instructions and know whom to call, and to contact their provider right away if redness, drainage or fever appears at home.
Sources and further reading
Surgical Site Infection Basics | SSIs | CDC. SSI definition; redness, pain, cloudy drainage and fever as signs; smoking, diabetes and obesity as risk factors; visitors not touching wounds; hand hygiene requests.
Clinical Safety: Hand Hygiene for Healthcare Workers | CDC. Hand hygiene moments; alcohol-based rub preferred unless visibly soiled; soap and water in C. difficile or norovirus outbreaks; gloves are not a substitute.
CDC's Core Infection Prevention and Control Practices for Safe Healthcare Delivery in All Settings. Assess the need for invasive medical devices at each encounter and remove them as soon as clinically safe.
Smoking and surgery: MedlinePlus Medical Encyclopedia. Smoking decreases oxygen reaching the surgical wound, slowing healing and raising infection risk.
The next step on this is the same as on everything else here: answer questions and read the rationales. Our safe and effective care practice questions are the closest set to what this page covers.
One question from the safe and effective care set
A nurse on a medical unit receives report on four clients. Which client should the nurse assess first?
Rationale
Prioritization items are airway, breathing, circulation, in that order — the ranking survives every rewording. Audible gurgling around a fresh tracheostomy is a partially obstructed airway and it is the only option that can kill the client in the next few minutes. Fever, post-op pain, and a glucose of 232 are all real problems that need the nurse, just not first.
Answer: C
Common questions
What is risk for infection related to?
Risk factors such as a surgical incision or other broken skin, invasive devices (IV lines, urinary catheters, drains), diabetes, obesity, smoking, poor nutrition, extremes of age and a suppressed immune system. List the ones your patient has.
How do you write risk for infection related to surgical incision as evidenced by?
Because there are no signs yet, list risk factors: risk for infection as evidenced by abdominal incision, peripheral IV and diabetes. Some programs use related to instead of as evidenced by for risk diagnoses; follow your rubric.
What are nursing interventions for risk for infection?
Hand hygiene at each required moment, aseptic technique with devices, daily review of whether each device is still needed, wound and temperature checks, glucose monitoring per orders, smoking cessation support, and teaching the patient which signs to report.
More on safe and effective care
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