The world's most accurate DNA molecular counter

Our genetic testing platform, which measures DNA with 1000x more detail, creates ultra efficient, extremely accurate diagnostic tools that measure changes inside our bodies, right down to the molecular level.

BillionToOne Products

Make confident medical decisions.

By counting single molecules of DNA, we create diagnostics that reduce uncertainty and give clinicians and patients the clarity to make confident medical decisions.

The only blood test that shows your baby's risk for common and severe genetic diseases

Coming Soon

Cancer Liquid Biopsy

BillionToOne’s cancer diagnostic test lowers the limit of detection for gene amplifications by 10x so that these hallmarks of cancer are detected earlier.

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Tsao, D.S., Silas, S., Landry, B.P. et al. , (2019)

A novel high-throughput molecular counting method with single base-pair resolution enables accurate single-gene NIPT. Nature - Sci Rep 9, 14382 (2019) doi:10.1038/s41598-019-50378-8.