Genetic Testing Solutions

The Virant Diagnostics Genetic Laboratory uses cutting-edge science and technology to provide accurate genomic testing.

About Our Genetic Laboratory

The Virant Diagnostics Genetic Laboratory is made up a team of experienced geneticists and molecular biologists. Our specialized knowledge and advanced laboratory equipment allows us to provide the highest quality molecular diagnostic services. We use a proprietary bioinformatics pipeline with the most up-to-date and relevant data to analyze your samples. Virant Diagnostics is ready to work with your team to improve patient care.

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Our Genetic Test Menu

Individual Gene Testing

  • SERPING1 Sequencing of the coding region +/- 10 base pairs for exons 2-8 with exon duplication/deletion testing
Gene OMIM Exon(s)
C1INH gene Region
SERPING1 106100 2-8 Coding +/- 10 bp
  • Sequencing of known mutations in 6 OMIM related angioedema genes (see list below)
  • We also offer duplication/deletion testing for F12 gene, exons 1-12, except exon 3
Gene OMIM Exon(s)
nlC1INH gene Screen for known HAE variant(s)
F12 gene 610618 9 c.983C>A c.983C>G p.Thr328Lys p.Thr328Arg
KNG1 gene 619363 10 c.1136T>A c.1720C>G p.Met379Lys p.Pro574Ala
ANGPT1 gene 619361 2 c.807G>T p.Ala119Ser
PLG gene 619360 9, 18 c.988A>G c.2183T>A p.Lys330Glu p.Val728Glu
MYOF gene 619366 7, 25 c.651G>T c.2576delG p.Arg217Ser p.Gly859Glufs*8
HS3ST6 gene 619367 2 c.430A>T p.Thr144Ser
  • Targeted testing for a SERPING1 coding variant, or variants listed in the nlC1INH table above previously identified in a family member
  • Clinical confirmation of variants found in a research laboratory

Small Panel Testing

  • All known HAE variants in the 6 genes associated with angioedema with normal C1 inhibitor function
  • Genes tested:
    • F12, KNG1, ANGPT1, PLG, MYOF, HS3ST6
  • All 7 genes (SERPING1 and nlC1INH genes)
  • Genes tested:
    • SERPING1, F12, KNG1, ANGPT1, PLG, MYOF, HS3ST6

Large Panel Testing

  • This gene panel sequences and analyzes 77 genes involved with complement, coagulation, and tissue kallikrein pathways
  • Click here for details and descriptions for each gene on the panel

Whole Exome Sequencing

  • Whole exome sequencing sequences in all protein-coding regions of the genome. Analysis reviews all identified variants along with relevant medical history to reveal diseases that a patient may have, develop, and/or pass down
  • Must provide clinical information when submitting a sample
  • Maternal and paternal samples in addition to proband samples are helpful

Click here for references.