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Contact Quest Diagnostics Customer Service

Quest Diagnostics Phone Numbers and Emails

Toll-Free Number:

  • (800) 877-7484
    Employer Solutions
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Customer Service:

  • (800) 890-6220
    AmeriPath and Dermpath Diagnostics
  • (866) 358-9828
    Cleveland HeartLab
  • (800) 891-2917
    Diagnostic Laboratory of Oklahoma (DLO)
  • (800) 677-6726
    ExamOne
  • (800) 553-5445
    Nichols Institute
  • (800) 336-3718
    Nichols Institute, Chantilly
  • (800) 421-4449
    Nichols Institute, Valencia
  • (800) 631-1390
  • +55 112 985 3341
    Diagnostic Testing and Services Brazil
  • +52 800 527 7534
    Diagnostic Testing and Services Mexico
  • +52 554 160 7777
    Diagnostic Testing and Services Mexico City
  • +52 555 089 1221
    Direct Consumers, Patients, and Physicians Mexico
  • +52 555 089 1203
    Regional Director, Mexico
  • +44 208 377 3400
    United Kingdom
  • +1 787 725 8243
    Worldwide Representative

Headquarters:

  • (800) 222-0446

Investors/ Franchasing:

  • (973) 520-2900
    Investor Relations

Sales/ Reservations:

  • (866) 697-8378
    Questions About My Order or Make an Order

Quest Diagnostics Emails:

Headquarters
Investors/ Franchising
Legal
Patient Advocacy, Privacy Inquiries
Media
Is this your business?
More phone numbers and emails Less phone numbers and emails

How to Contact Quest Diagnostics?

Most Popular Number:

(800) 877-7484
Employer Solutions
Total calls: 3 322 Issues resolved: 108 Last call: Mar 11, 2025
author avatar
PissedConsumer Reporter

If you have undergone testing with Quest Diagnostics and would like to inquire about your results, there is a dedicated phone number you can reach out to. By contacting Quest Diagnostics' Customer Service department at 1-866-697-8378, you can seek information about your test results or address any inquiries you may have regarding their services.

The knowledgeable Customer Service representatives of Quest Diagnostics are also equipped to assist you promptly and provide the necessary guidance or explanations related to your test results.

To reach a live person at Quest Diagnostics, simply call their Customer Service department at 1-866-697-8378. Following the provided phone menu options will connect you with a knowledgeable representative who can address your specific concerns or inquiries.

Whether you have questions about test results, appointment scheduling, or other related matters, the live person at Quest Diagnostics will be ready to provide personalized assistance and guide you through the necessary steps or processes.

You have the option to contact Quest Diagnostics through email as well. Quest Diagnostics offers an online inquiry/contact form on their official website, allowing you to submit an inquiry or message. The dedicated customer support team at Quest Diagnostics will carefully review your email and provide a response accordingly. To ensure a prompt and accurate reply, provide precise and detailed information in your email.

Quest Diagnostics Customer Service Overview

The aggregated data is based on calls made from PissedConsumer.com website and questionnaires provided by PissedConsumer.com users.

  • Quest Diagnostics Customer Service is rated at 1.4 out of 5. Consumers who contact the company are mostly dissatisfied. More commonly used way of contact is by phone.

    Source Distribution
    93% phone 7% email
  • The best phone number to call Quest Diagnostics is 8008777484. 72% of consumers used this number to address their issues and concerns. It is also considered the best number to call, as 58% of customers reported contacting a real person successfully.

  • The average hold time is up to 3 minutes. The longest wait times are on Monday, while the shortest are on Sunday. The average call time is 3 minutes.

  • Be prepared for the call as Quest Diagnostics may ask you for the following information to identify you as a customer: first and last name, phone number or email.

View full overview ›
PissedConsumer Club

Contact Information

Quest Diagnostics Website:

Quest Diagnostics Help Center:

Corporate Office Address:

Quest Diagnostics Incorporated
500 Plaza Drive
Secaucus, New Jersey 07094
United States

Other Info (opening hours):

Hours:

Monday - Friday: 8:00am - 5:00pm

More contact details

Quest Diagnostics Customer Service Reviews

1.4 / 5
Bad
Verdis Pfi
Never answered my question

Nothing has happened. I didnt get an answer to my question. I had to cancel my doctor appointment and reschedule because I couldnt get an answer about turnaround time for my lab results

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Guest-5928847
No customer Service
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1.6

I would say terrible customer service, but actually there is no customer service. They force you to do everything online or tell you to hang up.

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Guest-5916911
Gets quest blood test
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2.0

Could not get on Quest website to order blood test . The system is broken and did not have my past tests and results as well

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Doug S Dat
Location and service by personnel was good. HOWEVER… using Doxo (The credit card processing/payment service) cost an additional $4.00 to make a payment! EXTA FEE RIP OFF!!!
stars-rating stars-rating stars-rating stars-rating stars-rating
2.0

Screwing your customers paying by CC!!! Change payment processing services.

Quest already has poor reviews. Stop digging the hole deeper. This is an easy fix!

It's all about customer service and good reviews in this society today. Quest is hugely missing an opportunity here!

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How Good is Quest Diagnostics's Customer Service?

Kinzi Awj
Kinzi Awj
Feels Disappointed | May 21, 2024

Called for appt got one for today ay 1230. I arrived 10 min early. They refused to see me because I was late.i have to be there 15 min early. They canceled my appointment and not so politely sent me on my way. Your service is very poor.

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Merl Eqr
Merl Eqr
Feels Satisfied | Apr 25, 2024

Great

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Amaar Nql
Amaar Nql
Feels Satisfied | Mar 21, 2024

Polite and friendly

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Florence Gbv
Florence Gbv
Feels Satisfied | Mar 08, 2024

Customer service was excellent.

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Lyncoln Wyv
Lyncoln Wyv
Feels Disappointed | Feb 13, 2024

Could not connect with a live person.

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Yoshi Sgl
Yoshi Sgl
Feels Disappointed | Jan 26, 2024

Appointments too far out and being a walk in means waiting too long. Are you all short handed? HIRE SOME PEOPLE!!! Get a bigger location. DO SOMETHING!!!

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Summary of Quest Diagnostics Customer Service Calls

4.8K TOTAL
CALLS
03:19 AVG CALL
DURATION
9% ISSUES
RESOLVED

Top Reasons of Customers Calls

Consumers Call the Most From

Why Do People Call Quest Diagnostics?

Request for Information Question:

  • “I’d like to know do you need an appointment to pick up a stool test kit?”
  • “Need help locating sample and other wurstions”
  • “Make an appointment”

Payments and Charges Question:

  • “Pagar bill”
  • “Billing”
  • “Billing error”

Product/ Service Question:

  • “Add Medicare Insurance”
  • “Customer complaint”
  • “Complaint about lab tech”

Account Question:

  • “Can’t get into my account”
  • “Login locked my account”
  • “Forgot my appointment day”

Shipping and Delivery Question:

  • “My husbands name is spelled wrong so his lab results didnt get sent to doctor in a timely fashion”
  • “Location for zip code29203”
  • “Location of lab and phone # and hours”

Staff Question:

  • “Customer service”
  • “Home service blood test”
  • “Talk to customer service”

Activation/ Cancellation Question:

  • “Want to cancel free style libre and monitor”
  • “I need to cancel my appointment”
  • “Cancel appointment”

Employment Question:

  • “W2 form”
  • “Payroll”
  • “Verify dates of employment”

Return/ Replace Question:

  • “Returning phantomy tubes, sharps”
  • “To return specimen”
  • “Change appt”

Website/ Application Question:

  • “Your website says you do not take insurance at this time, my Aetna provider says you’re my network provider so what is the current status of that?”
  • “Because your website is awful & so is the automated appointment”
  • “App”

Refund Question:

  • “I am do a refund and am getting a runaround”
  • “To get a refund from paying for own bloodwirk”

Cards Question:

  • “Wrong card on file”
  • “Did not give back inside. Card”

Other Question:

  • “Wheres my Drs order ?”
  • “Results”
  • “D-dimer results”

Compare Quest Diagnostics Customer Service To

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