Methicillin-Resistant Staphylococcus aureus

**Definition:** A strain of Staphylococcus aureus that is non-susceptible to the action of METHICILLIN. The mechanism of resistance usually involves modification of normal or the presence of acquired PENICILLIN BINDING PROTEINS.

**Tree numbers:** - B03.300.390.400.800.750.100.500 - B03.353.500.750.750.100.500 - B03.510.100.750.750.100.500 - B03.510.400.790.750.100.500 - B03.510.415.400.800.750.100.500 - B03.510.460.410.800.750.100.500

**Synonyms:** - Methicillin Resistant Staphylococcus aureus - MRSA