Skip to main content
Logins
Individuals & Patients
Find a Lab
View Test Results
Pay a Bill
Shop for Tests
View Individuals & Patients Page
Providers
Test Finder
Provider Login
Education & Experts
Contact Us
View Providers Page
Health Systems & Organizations
Hospitals & Health Systems
Employee Wellness & Testing
Managed Care & Payors
Resources
View Organizations Page
Biopharma & Investigators
Nonclinical Research
Central Laboratory Services
Order a Kit
Contact Us
View Biopharma Section
Managing Your Health
Shop for Health Tests
Explore Women's Health
Annual Wellness Guidelines
More
Diseases & Therapeutic Areas
Cancer & Oncology
Neurology
Rheumatology
More
Treatment Modalities & Methods
Cell & Gene Therapies
Precision Medicine
Radiopharmaceuticals
Vaccines
More
Scientific Lab Disciplines
Genetics
Digital Pathology & AI
Toxicology
More
Labs
Diagnostic Reference & Specialty Labs
Nonclinical Labs
Central Labs
Industries
Healthcare
Pharma
Medtech
Crop & Agricultural
Chemical & Environmental
Novel Food Safety Testing
Education, events & experts
About us
News
Careers
Investors
Help
About
News
Careers
Help
Login
Choose Language
English
Spanish
Logins
Individuals & Patients
Find a Lab
View Test Results
Pay a Bill
Shop for Tests
View Individuals & Patients Page
Providers
Test Finder
Provider Login
Education & Experts
Contact Us
View Providers Page
Health Systems & Organizations
Hospitals & Health Systems
Employee Wellness & Testing
Managed Care & Payors
Resources
View Organizations Page
Biopharma & Investigators
Nonclinical Research
Central Laboratory Services
Order a Kit
Contact Us
View Biopharma Section
Managing Your Health
Shop for Health Tests
Explore Women's Health
Annual Wellness Guidelines
More
Diseases & Therapeutic Areas
Cancer & Oncology
Neurology
Rheumatology
More
Treatment Modalities & Methods
Cell & Gene Therapies
Precision Medicine
Radiopharmaceuticals
Vaccines
More
Scientific Lab Disciplines
Genetics
Digital Pathology & AI
Toxicology
More
Labs
Diagnostic Reference & Specialty Labs
Nonclinical Labs
Central Labs
Industries
Healthcare
Pharma
Medtech
Crop & Agricultural
Chemical & Environmental
Novel Food Safety Testing
Education, events & experts
About us
News
Careers
Investors
Help
Knowledge Library
Knowledge Library
Knowledge Library
Scientific Innovation
Scientific Innovation
Articles
Articles
Events
Events
Our Experts
Our Experts
Articles
Sample specific fetal fraction threshold for non-invasive prenatal testing
01 Mar 2017
Download
