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Rationale and Comments
The common MTHFR gene variants, 677C>T and 1298A>G, are prevalent in the general population. Recent meta-analyses have disproven an association between the presence of these variants and venous thromboembolism.
Sponsoring Organizations
American College of Medical Genetics and Genomics
Sources
American College of Medical Genetics and Genomics guideline
Disciplines
Genetic
Hematologic
References
Hickey SE, Curry CJ, Toriello HV. ACMG Practice Guideline: lack of evidence for MTHFR polymorphism testing. Genet Med. 2013 Feb;15(2):153-6.