According to Spaulding's classification, which of the following is NOT a true statement?

Spaulding's classification: Level of risk Application Process Critical Entry or penetration into sterile tissue, cavity or bloodstream Sterility required Semi-critical Contact with intact non sterile mucosa or non intact skin Sterilisation preferred where possible. If sterilisation is not possible then high-level chemical disinfection is required. Non-critical Contact with intact skin Clean as necessary with detergent and water Ref: An Illustrated Guide to Infection Control By Kathleen Motacki, MSN, RN, BC, Toros Kapoian, MD, FACP, 2011, Page 70.