At BillionToOne we are on a mission to remove the fear of the unknown.
Who We Are.
We’re a precision diagnostics company that quantifies biology to create powerful molecular diagnostics. We work to improve disease detection by counting molecules with our proprietary molecular counting platform. We place patients at the forefront of everything we do. We are currently applying our proprietary technology to non-invasive prenatal screening and liquid biopsy.

Together with you. We are redefining what is possible.
Launched Unity Fetal Risk™ Screen
First commercially available NIPT to assess fetal risk for recessive conditions independent of the timing or availability of partner testing.
Launched Unity Aneuploidy™ NIPT and Unity Fetal RD™ NIPT
Introduced a unified prenatal testing platform, including the first widely available non-invasive test to determine fetal RhD status in RhD-negative pregnancies.
Launched Unity Fetal Antigen™ NIPT
First-and-only NIPT to determine fetal red blood cell (RBC) antigen status in alloimmunized pregnancies at-risk for HDFN.
Unity Fetal Risk Screen leads the way for sNIPT
Awarded top 10 clinical advancement of 2023 by AJHG.
Clinical Guidelines Recognized cfDNA-Based Fetal Antigen Testing
Two ACOG guideline updates supporting the use of cDNA to determine fetal RhD and fetal antigen status, citing Unity clinical data as supporting evidence.*,†
Unity Platform Milestones & Expansions
- Unity surpasses 1,000,000 tests ordered‡
- Launch of Unity Fetal Risk Screen 14-gene panel
- JAMA Network Open guideline recommends cDNA for fetal antigen testing, citing Unity data.§
Launched Unity Fetal Antigen NIPT
Launch of Unity's expanded RBC Fetal Antigen NIPT and the first-and-only Platelet Fetal Antigen NIPT available in the US, enabling fetal risk assessment in pregnancies at-risk for FNAIT.
Launched Unity Confirm™
Launch of the first-and-only non-invasive confirmatory test for high-risk Unity Aneuploidy NIPT results using whole genome sequencing of intact circulating fetal cells.
Meet the national Medical Advisor team behind our mission.
Gain deeper insights into the exceptional expertise of the medical advisors who play a pivotal role in shaping our innovations.



Providers

