BII:3
Proband: FB_II:3, male age unknown
Family details: parents are unaffected heterozygotes, VWF:Ag on the low end of reference range
Labs: prolonged bleeding time (15min), reduced VWF:Ag (0.09 IU/mL), FVIII:Ag (0.33 IU/mL), FVIII:C (0.21 IU/mL), and VWF:RiCoF (0.04 IU/mL), absent multimers
Genotype: p.Arg273Trp reported as c.1067C>T (MANE transcript is 817C>T)
CAID: CA228829