A nurse on the medical-surgical unit is reviewing reprocessing requirements for reusable equipment after each patient use. Which assignment of equipment to Spaulding classification is correct?

Spaulding classification is based on the tissue contacted. Critical items enter sterile tissue or the vascular system and require sterilization. Semicritical items contact mucous membranes or nonintact skin and require at least high-level disinfection, so option 3 is correct for a vaginal speculum. Noncritical items such as stethoscopes and blood pressure cuffs contact intact skin and ordinarily require low-level disinfection. Options 1, 2, and 4 assign the wrong category or reprocessing level.

The Spaulding classification, published by Earle Spaulding in 1957 and adopted by CDC, organizes reprocessing of patient-care items into three categories defined by the infection risk of their use. Critical items penetrate sterile tissue or the vascular system and must be sterilized — surgical instruments, implants, urinary catheters that enter the bladder. Semicritical items contact mucous membranes or non-intact skin and must undergo high-level disinfection (HLD), with sterilization preferred when feasible — gastrointestinal endoscopes, vaginal speculae, rigid bronchoscopes, respiratory therapy equipment, anesthesia equipment. Non-critical items contact intact skin only and require low-level disinfection or cleaning — stethoscopes, blood pressure cuffs, bedrails, bedside tables. Outbreak investigations have repeatedly traced healthcare-associated infections to misclassification or skipping of HLD on semicritical items, especially flexible endoscopes, which require thorough manual cleaning before HLD.