LOINC long common name : F9 gene mutation analysis limited to known familial mutations in Blood or Tissue by
Molecular genetics method;
LOINC short name : F9 gene Fam Mut Anl Bld/T;
LOINC description : This term is used for confirming a diagnosis of hemophilia B (factor IX deficiency)
in males and identifying carrier females in families where an F9 (factor IX) mutation
has been previously identified in affected individual. Mutation analysis only includes
testing for the known familial mutation.;