Staphylococci, coagulase negative

Staphylococci, coagulase negative


Routine Practices


General Information

Gram positive cocci in clusters, coagulase-negative.

Ubiquitous - skin organism.

Most commonly a skin contaminant/colonizer.

The most common contaminant of blood cultures.

Often a true pathogen particularly in nosocomial setting.

Disease manifestations include infections of prosthetic materials including:

  • Prosthetic valve endocarditis
  • Vascular catheter infections
  • Prosthetic joints

Staphylococcus saphrophyticus causes UTI in young females.

Staphylococcus lugdenensis acts more like Staphylococcus aureus and is more virulent than other CoNS - should be respected as a pathogen.