Have you ever sat at your desk, holding a medical bill, and wondered “How the heck do I pay this thing?” I’ve been there too! Medical bills can be confusing, especially when you need to figure out online payment systems. Today, I’m gonna walk you through everything you need to know about paying your laboratory bills through MD Labs and Medical Diagnostic Laboratories’ online bill pay services.
Understanding the Two Different MD Lab Companies
First things first – this is super important! There are TWO different laboratory companies with similar names that people often mix up
- MD Labs – Located in Reno, Nevada (website: mdlabs.com)
- Medical Diagnostic Laboratories (MDL) – Located in Hamilton, New Jersey (website: mdlab.com)
These are completely separate companies! If you’ve got a bill, check the letterhead carefully to know which one you need to pay.
How to Pay Your MD Labs Bill (Reno, Nevada)
If your bill is from MD Labs (the Reno one) here’s what you need to know
MD Labs recently upgraded their online payment system, making it easier to pay your bill online. To pay your MD Labs bill:
- Visit their website at www.mdlabs.com/paymybill
- Click the “Pay My Bill” button on their payment portal
- Follow the prompts to complete your payment
Need help? No worries! You can call their Payment Department at 775-567-3300 They’re available Monday through Friday from 8 00 am to 5 00 pm Central Time.
MD Labs Contact Information
If you need to reach MD Labs for other questions:
- Phone: (775) 391-5221
- Fax: (775) 737-9133
- Email: [email protected]
- Hours: Monday – Friday, 8 AM to 5 PM Pacific Time
- Address: 10715 Double R Blvd, Suite 102, Reno, Nevada 89521, USA
How to Pay Your Medical Diagnostic Laboratories (MDL) Bill
If your bill is from Medical Diagnostic Laboratories (the New Jersey one), you have a few different options:
Option 1: Online Bill Pay
- Go to www.mdlab.com/clients/billing/
- Click on “Pay My Bill” under the Patient Info section
- Follow the instructions to complete your payment
MDL accepts all major credit cards, personal checks, and money orders.
Option 2: Call Their Billing Department
You can call their dedicated billing phone number at 877-333-9233. Their hours are:
- Monday-Friday: 8:00am – 8:00pm EST
- Saturday: 8:00am – 4:30pm EST
MDL Billing Options
MDL offers three different billing options:
- Third-Party Billing – They’ll bill your insurance directly
- Patient Billing – You’ll be billed directly
- Laboratory or Physician Account – For healthcare providers
For Insurance Billing, You’ll Need:
- Patient’s full name (exactly as it appears on the card)
- Patient’s full address
- Patient’s gender and date of birth
- Patient’s phone number
- Insured name (if different from patient)
- Referring physician’s name
- ICD-10 diagnostic codes
- Insurance company’s name and address
- Policy number / Insurance ID Number
- Group Number
Remember, patients are still responsible for yearly deductibles and any balances not covered by insurance.
For Medicare Billing, You’ll Need:
- Patient’s full name (as it appears on the card)
- Current address
- Gender and DOB
- Phone number
- Referring physician’s name and NPI number
- ICD-10 diagnostic codes
- Medicare HIC number (9-digit number and alpha prefix)
MDL Contact Information
Need more help with MDL?
- Customer Service: 877-269-0090
- Billing: 877-333-9233
- Address: 2439 Kuser Road, Hamilton, NJ 08690
- Hours: Mon-Fri: 8:00am – 8:00pm EST, Sat: 8:00am – 4:30pm EST
Common Questions About Lab Bill Payments
“Why Did I Get a Bill If I Have Insurance?”
This is one I hear ALL the time! Even with insurance, you might receive a bill for several reasons:
- Your deductible hasn’t been met
- The test wasn’t covered by your insurance plan
- The lab is out-of-network for your insurance
- Your insurance company denied the claim
If you’re confused about a bill, call the lab’s billing department directly. They can explain exactly why you received a bill and your payment options.
“Can I Set Up a Payment Plan?”
Yes! Both MD Labs and Medical Diagnostic Laboratories usually offer payment plans for larger bills. You’ll need to call their billing departments directly to discuss your options.
For MD Labs: 775-567-3300
For MDL: 877-333-9233
“How Do I Know Which Lab Processed My Test?”
Check your bill or lab report carefully – it will have the company name and logo. Your doctor’s office can also tell you which laboratory they sent your samples to.
Tips for Paying Your Lab Bill
After helping countless friends navigate these systems, here are some tips I’ve picked up:
- Keep your paperwork – Always save lab orders, bills and receipts
- Check with your insurance first – Call your insurance company to verify coverage before getting lab work done
- Ask about discounts – Some labs offer discounts for full payment upfront
- Verify your information – Make sure your personal info, insurance info and doctor’s info are all correct on forms
- Save receipts – Always keep proof of payment for your records
My Personal Experience with MD Lab Bill Pay
Last year, I had some extensive blood work done and received a bill from MD Labs. At first, I was confused because I thought my insurance would cover everything! When I called their billing department, they explained that two of my tests weren’t covered by my plan.
The representative was super helpful and walked me through their online payment portal. The whole process took less than 5 minutes, and I was able to pay with my credit card. What I appreciated most was how they explained exactly why I was being billed – no mysterious charges!
Why Online Bill Pay is Usually the Best Option
I’m a big fan of online bill pay for lab tests because:
- It’s faster – No need to mail a check and wait for processing
- It’s trackable – You get immediate confirmation of payment
- It’s secure – Good payment portals use encryption to protect your information
- It’s convenient – Pay anytime, day or night, without waiting on hold
- It creates a record – Your payment history is stored in the system
Final Thoughts
Paying medical bills isn’t exactly fun, but understanding how to navigate the process makes it way less stressful. The most important thing to remember is that MD Labs and Medical Diagnostic Laboratories are different companies with different payment systems.
If you’re ever confused, don’t hesitate to call their customer service lines. In my experience, both companies have helpful representatives who can guide you through the process.
Have you had experience paying lab bills online? Was it smooth sailing or did you hit some bumps? I’d love to hear about your experiences in the comments below!
Quick Reference Guide
| Lab Company | Website | Payment Phone | Hours | Location |
|---|---|---|---|---|
| MD Labs | mdlabs.com/paymybill | 775-567-3300 | M-F 8am-5pm CT | Reno, NV |
| Medical Diagnostic Labs | mdlab.com/clients/billing | 877-333-9233 | M-F 8am-8pm EST, Sat 8am-4:30pm EST | Hamilton, NJ |
Remember, when in doubt, call the number on your bill directly! And don’t forget to keep those receipts for your records. Happy bill paying! (Well, as happy as paying bills can be!)

Option 2:Patient Billing
In lieu of the third-party billing option, clients may choose to have their patients billed directly for laboratory services. When direct billing is requested, the following information must be supplied in the patient information area of the test requisition form:
- Patient’s full name
- Patient’s current address
- Patient’s social security number and date of birth
- Patient’s current area code and telephone number
If a patient does not have insurance coverage, the patient will be billed directly. We accept all major credit cards, personal checks and money orders.
Option 1:Third-Party Billing Information
MDL can provide the convenience of third-party billing for all clients. We will attempt to bill every insurance; however, for specific participation information, the patient must contact their member services.
For third-party billing, a copy of both sides of the insurance card or the following information must be provided:
- Patient’s full name as it appears on the card
- Patient’s full address
- Patient’s gender and date of birth
- Patient’s current area code and telephone number
- Insured name (if different from patient)
- Referring physician’s name
- All appropriate ICD-10 diagnostic codes
- Insurance company’s complete name and address
- Insured policy number / Insurance ID Number
- Insured Group Number
Patients are responsible for yearly deductibles and any balances not covered by their insurance company.
If the patient is covered by Medicare, please supply the following information:
- Patient’s full name as it appears on the card
- Patient’s current address
- Patient’s gender and date of birth
- Patient’s current area code and telephone number
- Referring physician’s name
- Referring physician’s NPI number written on the test requisition form
- All appropriate ICD-10 diagnostic codes
- Medicare HIC number, which includes 9-digit number and alpha prefix