57 YC Diagnostics Startups (Healthcare)

57 YC companies fall under Diagnostics, YC's Healthcare subcategory, across every batch since 2005. Each row shows the one-liner, batch, HQ and status, and links to a reconstruction of the company's YC application in the real form.

Companies
57
Top locations
San Francisco, London and Los Angeles
YC top companies
1
57 reconstructed applications

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The first 57 companies, top companies first

1
Notable Labs
Notable LabsTopPersonalized drug discovery for blood cancer.
Winter 2015Foster City, CAPublic
2
Adialante
AdialanteCancer screening without barriers
Spring 2026Redwood City, CAActive
3
AminoAnalytica
AminoAnalyticaThe AI scientist for always-on biosecurity
Summer 2024London, United KingdomActive
4
AOA Dx
AOA DxBlood Test for Early Detection of Ovarian Cancer
Summer 2021Denver, COActive
5
Astek Diagnostics
Astek DiagnosticsOne-hour antibiotic sensitivity testing
Summer 2021Baltimore, MDActive
6
Bikanta
BikantaNano-diamonds for cancer detection
Summer 2014Berkeley, CAInactive
8
BrainKey
BrainKeyBrain Longevity
Winter 2019San Francisco, CAActive
10
Cambridge Cancer Genomics
Cambridge Cancer GenomicsCCG.ai empowers clinicians to make personalised treatment strategies…
Summer 2017Cambridge, England, United KingdomInactive

That is 10 of 57.

Every company below has its YC application reconstructed in YC Insights. Create a free account to read them all.

Read all 57 applications
14
Darmiyan
DarmiyanEarly detection of Alzheimer's disease
Summer 2017San Francisco, CAActive
16
Delee
DeleeBlood testing device for early diagnosis of cancer and treatment…
Winter 2017Monterrey, N.L., MexicoActive
17
Digistain
DigistainPioneering Breast Cancer Diagnostics for a Healthier Tomorrow
Summer 2021London, England, United KingdomActive
19
Haplotype Labs
Haplotype LabsPersonalized prevention using genetics and AI
Winter 2024San Francisco, CAActive
20
InnaMed
InnaMedAt-home blood testing: measure + analyze + enhance.
Winter 2017San Francisco, CAInactive
22
Isabl
IsablCancer tests based on whole genome and transcriptome data.
Winter 2020New York, NYActive
25
Loop Genomics
Loop GenomicsNovel long-read DNA sequencing technology
Winter 2016San Jose, CAAcquired
26
LSK Technologies
LSK TechnologiesA diagnostic lab in a box
Summer 2020Toronto, ON, CanadaAcquired
27
Lucira Health
Lucira HealthNext generation infectious disease test kits
Winter 2015Emeryville, CAPublic
29
Medium Biosciences
Medium BiosciencesAI-designed Affinity Reagents
Summer 2021San Francisco, CAActive
30
MICSI
MICSIHigher resolution MRI with faster scan times.
Summer 2023New York, NYActive
31
Moichor
MoichorAI Powered Animal Diagnostics
Winter 2021San Francisco, CAActive
32
Nomic Bio
Nomic BioNomic is doing for proteins what Illumina has done for DNA
Winter 2020Montreal, QC, CanadaActive
33
Numen
NumenEngineering a future without cancer deaths.
Summer 2023San Francisco, CAActive
34
Oncobox
OncoboxFinding the right cancer drug for each patient.
Summer 2017Walnut, CAActive
35
Opentrons
OpentronsWe make robots for biologists.
Winter 2016New York, NYActive
36
Orange Health Labs
Orange Health LabsIndia's Fastest Diagnostics Service
Summer 2020Bengaluru, KA, IndiaActive
37
PreDxion Bio
PreDxion BioRapid, scalable diagnostic for SARS-CoV-2 and beyond
Summer 2017South San Francisco, CAInactive
38
Probably Genetic
Probably GeneticPatient Intelligence Platform for Genetic Disease
Winter 2019San Francisco, CAActive
39
Radix Labs
Radix LabsOperating systems for biology labs
Summer 2018Cambridge, MAInactive
41
Rev Genomics
Rev GenomicsRev is a biotechnology company creating better plants.
Summer 2017San Francisco, CAActive
43
Scanwell Health
Scanwell HealthSmartphone-enabled, at-home diagnostics
Summer 2018Los Angeles, CAAcquired
45
Segmed
SegmedReal-World Data for Health Innovation
Winter 2020Palo Alto, CAActive
47
Signatur Biosciences
Signatur BiosciencesSimple tests for complex diseases.
Summer 2022London, England, United KingdomActive
49
Spot Health
Spot HealthAt-home diagnostics as a service
Winter 2022Cincinnati, OHActive
50
Starling
StarlingAI enabling digital urine diagnostics in the home
Winter 2022Houston, TXActive
52
Unima
UnimaFast and low-cost diagnostics for real time disease surveillance
Winter 2016Zapopan, Jal., MexicoInactive
53
VedaBio
VedaBioCRISPR powered Diagnostics with results in minutes.
Summer 2021San Diego, CAActive
54
X-Zell
X-ZellEarly, pain-free cancer detection.
Winter 2015Singapore, SingaporeActive
56
Yemaachi Biotechnology
Yemaachi BiotechnologyDiversifying precision cancer diagnostics and treatments
Summer 2021Accra, Greater Accra Region, GhanaActive
57
Zergo
ZergoWe make a urine test that helps women get pregnant.
Summer 2019Waterloo, ON, CanadaInactive

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About this list

This list is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise.

Frequently Asked Questions

How many Y Combinator companies are in Diagnostics (Healthcare)?

This directory lists 57 YC companies in Diagnostics (Healthcare), out of 6,207 across every batch since 2005. The count updates when the directory is refreshed, and every one of them is on this page with a link to its public profile.

Are the YC applications on these pages real?

No. YC keeps submitted applications private. Every application linked from this list is a reconstruction: the real YC form questions, answered from the company's public data. The Company section is free on each page; the rest opens in YC Insights.

Which companies on this page are best known?

Notable Labs lead the table above. YC marks 1 of the 57 companies here as top companies, its own list of the highest-valued and highest-revenue alumni.

How do I use this list when applying to YC?

Pick five companies on this page whose product is closest to yours, read their reconstructed applications side by side in YC Insights, and note how each answers the same question. Then write your own answers to that standard.

Where does this data come from?

From YC's public company directory, refreshed by batch, with each company's status, industry and location as YC reports them. Round Funded adds the reconstructed application and the founder profiles; nothing private is published.

What is Round Funded?

Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.