Types of Asepsis

Asepsis: consists of minimizing the appearance and spread of infection. Asepsis is the absence of disease-producing pathogens. There are two types of aseptic technique:
Medical asepsis: also called the clean technique includes procedures to reduce the number of the microorganisms present and prevent their transmission. Hand hygiene, the use of barriers (eg apron), and routine environmental cleaning are examples of medical asepsis. Standard precautions must be adopted in all procedures performed by the healthcare team, this involves hand hygiene, the use of gloves, apron, goggles, mask, and correct disposal of materials in the sharps box.

Source: XU Dr. Jose P. Rizal School of Medicine. Xavier University – Ateneo de Cagayan

Surgical asepsis or sterile technique: prevents contamination of a particular place or object. It serves to isolate the operative area from a non-sterile environment and maintains a sterile field for surgery or performing a procedure. Objects in use are considered contaminated when touched by any other object that is not sterile. This requires the highest level of aseptic technique and requires all areas to be kept free of infectious microorganisms.


Mattson, Elsie F. “Medical asepsis.” The American Journal of Nursing (1933): 335-339.

Foster, Marion. “A positive approach to medical asepsis.” AJN The American Journal of Nursing 62, no. 4 (1962): 76-77.

Trussell, Patricia M., and Sue Crow. “Medical asepsis, research, and continuing education.” The Journal of Continuing Education in Nursing 8, no. 2 (1977): 17.

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