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Buy your own lab tests online

Conveniently shop online and choose from 100+ lab tests. No doctor's visit required.

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Billing and insurance

Understanding the cost of your care

Insurance

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Billing and insurance

Understanding the cost of your care

Insurance

Financial assistance

Self-pay price estimate

Pay your bill

Pay in 1 of 3 convenient ways: online, by email, or with a credit, debit, or health savings card.

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Pay your bill

Pay in 1 of 3 convenient ways: online, by email, or with a credit, debit, or health savings card.

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Update your insurance

Have your current bill handy, as it will be needed to update or review your insurance.

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Update your insurance

Have your current bill handy, as it will be needed to update or review your insurance.

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Insurance lookup tool

Is Quest in-network with your health plan? Use our convenient insurance lookup tool to find out.

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Insurance lookup tool

Is Quest in-network with your health plan? Use our convenient insurance lookup tool to find out.

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Results

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FAQ: Understanding test results

Results

Access your test results

Family test results

FAQ: Understanding test results

Access results online

Log into MyQuest^® to book or reschedule a lab visit, view test results, and more.

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Access results online

Log into MyQuest^® to book or reschedule a lab visit, view test results, and more.

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Healthcare professionals

Test Directory

About our tests

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Billing & coding

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Test Directory

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Test Directory

Tests by specialty

Specimen handling

Priority value table

Connect with an industry-leading medical expert

Complement your expertise with clinical consultations from Quest.

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Connect with an industry-leading medical expert

Complement your expertise with clinical consultations from Quest.

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COVID-19

During the COVID-19 health crisis, fast action and trusted information matter more than ever. Find out what’s happening.

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COVID-19

During the COVID-19 health crisis, fast action and trusted information matter more than ever. Find out what’s happening.

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About our tests

Allergy & asthma

Arthritis

Autoimmune diseases

Bleeding & thrombosis

Cancer

Cardiovascular disease

Chronic kidney disease

Clinical drug monitoring

Diabetes & pre-diabetes

See all >

About our tests

Allergy & asthma

Arthritis

Autoimmune diseases

Bleeding & thrombosis

Cancer

Cardiovascular disease

Chronic kidney disease

Clinical drug monitoring

Diabetes & pre-diabetes

See all >

QUEST AD-Detect Amyloid Beta 42/40

Blood-based biomarker testing may help identify patients who are candidates for early antibody treatment.

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QUEST AD-Detect Amyloid Beta 42/40

Blood-based biomarker testing may help identify patients who are candidates for early antibody treatment.

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Billing & coding

Commercial coverage & coding guidelines

Medicaid limited coverage policies

Medicare coverage & coding guides

Electronic billing

Z-codes

Billing & coding

Commercial coverage & coding guidelines

Medicaid limited coverage policies

Medicare coverage & coding guides

Electronic billing

Z-codes

Pay a physician or hospital bill

Pay bill

Pay a physician or hospital bill

Pay bill

Electronic billing

Resolve lab test orders faster - and streamline your workflow

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Electronic billing

Resolve lab test orders faster - and streamline your workflow

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Lab tools & IT systems

Quanum Lab Services Manager

Quanum Practice Solutions

Lab tools & IT systems

Quanum Lab Services Manager

Quanum Practice Solutions

Quanum Lab Services Manager

Order lab tests for your patients

View patient’s lab test results

Order supplies, access Lab Utilization Reports, and more!

Real-time Priority and STAT results via Quest Lab Alert for Physicians

Learn more

Quanum Lab Services Manager

Order lab tests for your patients

View patient’s lab test results

Order supplies, access Lab Utilization Reports, and more!

Real-time Priority and STAT results via Quest Lab Alert for Physicians

Learn more
Clinical experts & education

Clinical experts

Clinical Education Center

Diagnostic Insights

Clinical experts & education

Clinical experts

Clinical Education Center

Diagnostic Insights

Solutions for hospital lab managers

The tools and services to make your lab more efficient and optimize patient care.

Explore solutions

Solutions for hospital lab managers

The tools and services to make your lab more efficient and optimize patient care.

Explore solutions

Collaborations that power better care

Learn about our relationships and collaborations with academic hospitals on a wide variety of medical and scientific research.

See collaborations

Collaborations that power better care

Learn about our relationships and collaborations with academic hospitals on a wide variety of medical and scientific research.

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Laboratory managers

Lab management solutions

Lab tests by specialty

Resources
Lab management solutions

Lab operations

Lab testing consolidation

Lab analytics and stewardship

Outreach services

Lab management solutions

Lab operations

Lab testing consolidation

Lab analytics and stewardship

Outreach services

Meet our clinical experts

Complement your expertise with ours to improve test selection and interpretation.

Learn more

Meet our clinical experts

Complement your expertise with ours to improve test selection and interpretation.

Learn more

Explore lab stewardship

Drive efficiency and better patient outcomes.

Find out how

Explore lab stewardship

Drive efficiency and better patient outcomes.

Find out how
Lab tests by specialty

Cancer

Genetics

Neurology

Women's health

Clinical drug monitoring

Infectious diseases

Neuroimmunology

Autoimmune

Lab tests by specialty

Cancer

Genetics

Neurology

Women's health

Clinical drug monitoring

Infectious diseases

Neuroimmunology

Autoimmune

Explore the Test Directory

Our Test Directory includes detailed information, guides, and references for many of our tests.

Explore directory

Explore the Test Directory

Our Test Directory includes detailed information, guides, and references for many of our tests.

Explore directory

Identify liver disease risk

Determine which patients are at risk for NAFLD and NASH with the ELF™ Score.

Learn more

Identify liver disease risk

Determine which patients are at risk for NAFLD and NASH with the ELF™ Score.

Learn more
Business leaders

Hospitals & health systems

Employers

Health plans

Life sciences

Other industries served

Resources & insights
Hospitals & health systems

Collaborative lab solutions

Outreach partnerships

Clinical support

Diagnostic excellence

Academic collaboration

Population health

Enterprise content management

Transplant testing

Hospitals & health systems

Collaborative lab solutions

Outreach partnerships

Clinical support

Diagnostic excellence

Academic collaboration

Population health

Enterprise content management

Transplant testing

Let’s improve patient and hospital health—together

Learn about innovative solutions and the latest advances in the diagnostic space that may be beneficial to your health system.

View blog

Let’s improve patient and hospital health—together

Learn about innovative solutions and the latest advances in the diagnostic space that may be beneficial to your health system.

View blog

Solutions for lab managers

The tools and services to make your lab more efficient and optimize patient care.

Explore solutions

Solutions for lab managers

The tools and services to make your lab more efficient and optimize patient care.

Explore solutions
Employers

Drug screening

International drug testing

Lab spend management

Employer population health

Employers

Drug screening

International drug testing

Lab spend management

Employer population health

Employer population health

Empower better employee health with convenient care driven by clinical insights

Increase access to high quality healthcare to manage and prevent costly chronic conditions

Contact us

Employer population health

Empower better employee health with convenient care driven by clinical insights

Increase access to high quality healthcare to manage and prevent costly chronic conditions

Contact us

Employee COVID-19 screening

With millions of SARS-CoV-2 tests processed, you can rely on Quest to screen your workforce

Quest offers molecular (PCR) and rapid antigen swab tests, as well as antibody blood tests

Contact us

Employee COVID-19 screening

With millions of SARS-CoV-2 tests processed, you can rely on Quest to screen your workforce

Quest offers molecular (PCR) and rapid antigen swab tests, as well as antibody blood tests

Contact us

Workforce drug screening

• Employers should make careful determinations about the drug screening program elements most beneficial for their workplace

• We provide flexible solutions to help empower workplace safety in a variety of circumstances

Contact us

Workforce drug screening

• Employers should make careful determinations about the drug screening program elements most beneficial for their workplace

• We provide flexible solutions to help empower workplace safety in a variety of circumstances

Contact us
Health plans

Improve quality outcomes

Manage lab spend

Promote member engagement

Health plans

Improve quality outcomes

Manage lab spend

Promote member engagement

Lab spend optimization

Detect and reduce unnecessary lab costs, while preserving quality and service for health plan members and providers.

Explore solutions

Lab spend optimization

Detect and reduce unnecessary lab costs, while preserving quality and service for health plan members and providers.

Explore solutions

Health plan lookup tool

Millions of health plan members have a stronger network. Find out if Quest is in-network for your health plan.

Check network status

Health plan lookup tool

Millions of health plan members have a stronger network. Find out if Quest is in-network for your health plan.

Check network status

Manage Appointments with MyQuest

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Life sciences

Pharma

Biotech

CROs

MedTech

Academic

Life sciences

Pharma

Biotech

CROs

MedTech

Academic

Discovery

You can count on the domain expertise of our team of 650+ medical, scientific, and regulatory thought leaders to help you apply insight to data and make more informed decisions.

Learn more

Discovery

You can count on the domain expertise of our team of 650+ medical, scientific, and regulatory thought leaders to help you apply insight to data and make more informed decisions.

Learn more

Clinical trials

Our comprehensive test menu and assay development lab services can support your clinical trials in countries around the world and are tailored to your program and requirements.

Learn more

Clinical trials

Our comprehensive test menu and assay development lab services can support your clinical trials in countries around the world and are tailored to your program and requirements.

Learn more

Commercialization

A successful launch starts with broad access. Support your commercial effectiveness with co-developed biomarker education materials and de-identified alerts on biomarker populations.

Learn more

Commercialization

A successful launch starts with broad access. Support your commercial effectiveness with co-developed biomarker education materials and de-identified alerts on biomarker populations.

Learn more
Other industries served

Life insurers

Pain clinics

Community health centers

Accountable care organizations

Other industries served

Life insurers

Pain clinics

Community health centers

Accountable care organizations

Empowering better health through diagnostic insights

We’re helping Community health centers improve the engagement and health of their communities by providing access to efficient, high-quality, comprehensive health care, regardless of financial, geographic, or social barriers.

Learn more

Empowering better health through diagnostic insights

We’re helping Community health centers improve the engagement and health of their communities by providing access to efficient, high-quality, comprehensive health care, regardless of financial, geographic, or social barriers.

Learn more

Delivering sustainable change in quality and outcomes

We work with ACOs to achieve better care for patients and better health for the population, through the delivery of high-quality, integrated, affordable health care.

Find out how

Delivering sustainable change in quality and outcomes

We work with ACOs to achieve better care for patients and better health for the population, through the delivery of high-quality, integrated, affordable health care.

Find out how
Contact

Back

Get tested

Make, change, or cancel an appointment

Find a location

Testing for conditions

Prepare for a test

Clinical trials

Quest Mobile™

Get tested

Make, change, or cancel an appointment

Find a location

Testing for conditions

Prepare for a test

Clinical trials

Quest Mobile™

Back

Billing and insurance

Understanding the cost of your care

Insurance

Financial assistance

Self-pay price estimate

Billing and insurance

Understanding the cost of your care

Insurance

Financial assistance

Self-pay price estimate

Back

Results

Access your test results

Family test results

FAQ: Understanding test results

Results

Access your test results

Family test results

FAQ: Understanding test results

Back

Test Directory

Tests by specialty

Specimen handling

Priority value table

Test Directory

Tests by specialty

Specimen handling

Priority value table

Back

About our tests

Allergy & asthma

Arthritis

Autoimmune diseases

Bleeding & thrombosis

Cancer

Cardiovascular disease

Chronic kidney disease

Clinical drug monitoring

Diabetes & pre-diabetes

See all >

About our tests

Allergy & asthma

Arthritis

Autoimmune diseases

Bleeding & thrombosis

Cancer

Cardiovascular disease

Chronic kidney disease

Clinical drug monitoring

Diabetes & pre-diabetes

See all >

Back

Billing & coding

Commercial coverage & coding guidelines

Medicaid limited coverage policies

Medicare coverage & coding guides

Electronic billing

Z-codes

Billing & coding

Commercial coverage & coding guidelines

Medicaid limited coverage policies

Medicare coverage & coding guides

Electronic billing

Z-codes

Back

Lab tools & IT systems

Quanum Lab Services Manager

Quanum Practice Solutions

Lab tools & IT systems

Quanum Lab Services Manager

Quanum Practice Solutions

Back

Clinical experts & education

Clinical experts

Clinical Education Center

Diagnostic Insights

Clinical experts & education

Clinical experts

Clinical Education Center

Diagnostic Insights

Back

Lab management solutions

Lab operations

Lab testing consolidation

Lab analytics and stewardship

Outreach services

Lab management solutions

Lab operations

Lab testing consolidation

Lab analytics and stewardship

Outreach services

Back

Lab tests by specialty

Clinical drug monitoring

Infectious diseases

Neuroimmunology

Autoimmune

Lab tests by specialty

Cancer

Genetics

Neurology

Women's health

Clinical drug monitoring

Infectious diseases

Neuroimmunology

Autoimmune

Back

Hospitals & health systems

Collaborative lab solutions

Outreach partnerships

Clinical support

Diagnostic excellence

Academic collaboration

Population health

Enterprise content management

Transplant testing

Hospitals & health systems

Collaborative lab solutions

Outreach partnerships

Clinical support

Diagnostic excellence

Academic collaboration

Population health

Enterprise content management

Transplant testing

Back

Employers

Drug screening

International drug testing

Lab spend management

Employer population health

Employers

Drug screening

International drug testing

Lab spend management

Employer population health

Back

Health plans

Improve quality outcomes

Manage lab spend

Promote member engagement

Health plans

Improve quality outcomes

Manage lab spend

Promote member engagement

Manage Appointments with MyQuest

Don't have a MyQuest account?

Back

Life sciences

Life sciences

Pharma

Biotech

CROs

MedTech

Academic

Back

Other industries served

Life insurers

Pain clinics

Community health centers

Accountable care organizations

Other industries served

Life insurers

Pain clinics

Community health centers

Accountable care organizations

Contact

Article

Sesame allergies on the rise: how to help protect yourself

Topics: Nutrition, Health & Wellness

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Quest® is the brand name used for services offered by Quest Diagnostics Incorporated and its affiliated companies. Quest Diagnostics Incorporated and certain affiliates are CLIA-certified laboratories that provide HIPAA-covered services. Other affiliates operated under the Quest® brand, such as Quest Consumer Inc., do not provide HIPAA-covered services.

Quest®, Quest Diagnostics®, any associated logos, and all associated Quest Diagnostics registered or unregistered trademarks are the property of Quest Diagnostics. All third-party marks—® and ™—are the property of their respective owners. © 2025 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only.