Created by
Paul A. Gulig, Ph.D.
Department of Molecular Genetics and Microbiology
with assistance from
David Brumbaugh
This result means
C. You can't tell from the result.
No, the plasma clotted (gelled), indicating a positive coagulase, which indicates S. aureus having followed the diagnostic scheme so far. Note that if this test was done out of context of the preceding tests, it would not have any meaning.