Anesthesia and MTHFR Mutations - MTHFRSupport Australia. MTHFR is a condition that predominantly affects the methylation process and how the body processes chemicals, including medications like anesthetics. Anesthesia is not always dangerous for those living with an MTHFR mutation, but some types can be deadly.How do I test for MTHFR mutation?
Take a blood test. The most common and most accurate test for MTHFR mutations will be a blood test. Your doctor will collect the necessary blood sample and send it for analysis at an appropriate laboratory. The lab technicians will study your blood sample at a genetic level and look for abnormalities in the MTHFR gene.