What's this test for?

This test is ideal if you're experiencing unexplained fatigue, bone pain, frequent infections, or if you've had prior blood work suggesting an issue with your immune proteins. It's also commonly used to monitor certain plasma cell conditions over time. Your results give insight into how your body is producing a specific type of immune protein.

What happens after I get my results?

Your results will show up in your account with the normal range clearly explained next to your value. If your level falls outside the expected range, the report will note this so you can decide on next steps, such as retesting in a few months or seeking care if the number is significantly abnormal. You can download a standard lab report from your account at any time, and the trends feature lets you track this marker over multiple tests to see if it's changing.

Who should consider this test?

People with a personal or family history of plasma cell disorders, unexplained fatigue or bone pain, or abnormal protein findings on prior blood work may want this test. It's also useful for anyone who has been advised to monitor their immune protein levels over time. If you've noticed unusual swelling, weakness, or repeated infections, this test can offer helpful information.

What symptoms indicate I may need this test?

Common symptoms that might prompt this test include ongoing tiredness, bone or back pain, unexplained weight loss, frequent infections, or swelling in the legs. Some people also get this test after a routine blood or urine test showed unusual protein patterns. These symptoms don't automatically mean something serious, but this test can help clarify what's going on.

When will I get my results?

Results are typically ready within about 7 days of your lab visit. Once processed, they'll automatically appear in your secure online account, and you'll be notified so you can log in and view them. No need to call or wait on paperwork — everything is digital and easy to access.

How can I naturally support healthy immune protein levels?

Staying well hydrated, eating a balanced diet rich in fruits, vegetables, and lean protein, and getting regular sleep all support healthy immune function. Limiting alcohol and avoiding smoking can also help your body regulate protein production more effectively. If you're unsure whether a supplement or lifestyle change is right for you, start with these basic habits and retest to see how your levels respond.

What is a free light chain and why does it matter?

Free light chains are small proteins made by immune cells called plasma cells, and lambda is one of two types (the other being kappa). Normally these proteins are made in small, balanced amounts, but certain conditions can cause one type to be overproduced. Tracking this marker helps show whether your immune protein production is balanced or not.

What does a high lambda light chain result mean?

A higher-than-normal lambda light chain level can mean your plasma cells are producing more of this protein than usual, which sometimes happens with certain immune or bone marrow conditions. It doesn't automatically mean something is seriously wrong — inflammation or kidney function can also affect levels. If your result is high, retesting and looking at the ratio with kappa light chains can offer more clarity.

What causes abnormal lambda light chain levels?

Abnormal levels can be caused by plasma cell disorders, kidney issues (since the kidneys help clear these proteins), chronic inflammation, or certain infections. In some cases, it reflects a benign, temporary change rather than a long-term condition. Because there are many possible causes, tracking the trend over time is often more useful than a single result.

How often should I retest?

If your first result is within the normal range and you have no symptoms, annual testing is usually enough for monitoring purposes. If your level is abnormal or you're actively tracking a known condition, retesting every 3 to 6 months is common. Use the trends feature in your account to keep an eye on any changes over time.

Getting your blood test with us is easy, private & backed by the power of science.Long story short: In the test options, use the filters or search box to narrow your choices and find the test you want. If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test. Once your order is placed, we’ll create your doctor’s lab order remotely, without any need for you to make a trip to a doctor in person or to talk to the doctor. Expect to receive your doctor’s lab order right in your inbox. It will also be in your patient portal if you need to find it later. We’ll also include instructions regarding fasting and other requirements for your test. Your patient portal will be auto-created hassle-free during checkout. If this is your first time ordering, you'll be prompted to create a password for instant login access to your patient portal. It's a quick way to conveniently access your orders and results whenever you want. When you’re ready, visit one of our 4,000 locations. Just bring your ID – no printing or faxing of your lab order is needed, as your order and details will already be in the lab system. Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way. You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy! If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.

How do I know which test to get?

In the test options, find the test you want. If you’re not sure which test to get, we can lend a hand in finding the right option. Just text or call us at 754-799-7833, email us at support@privatemdlabs.com, and we'll gladly help you. We've got your back and reply quickly.

When will my lab results be available?

Most test results will be available within 1–3 business days. Once they're ready, we'll send an email and text message to let you know. After your blood draw, just hang tight and don't worry – we'll keep you updated and in the loop! If you have any further questions, please text us at 754-799-7833 or email support@privatemdlabs.com, and we'll gladly help you.

Is it possible to make changes to my lab order if I made a mistake with the name, date of birth, or any other details?

Absolutely! We totally understand that errors can happen. No worries, we're here to help you. Just reach out to us via text at 754-799-7833 or shoot us an email at support@privatemdlabs.com. Remember to include your order number and let us know the correct information you’d like to update. Our awesome team will jump right in and make sure everything is sorted out and accurate for you. There are no changes necessary if your address is wrong on the requisition though. We don’t mail anything out. Our lab requires an address to be listed to generate an order.

Do you accept health insurance?

Only HSA & FSA is accepted. Our services are strictly self-pay and cannot be submitted to your health insurance provider except for Health Savings Accounts or Flexible Savings Accounts. This policy applies to all insurance companies, including federal health insurance programs like Medicare. If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com.

Can I cancel my order?

Yes. We get it – sometimes your needs change. As long as your samples haven’t been collected yet, we’re happy to help you cancel your order. If you have any further questions, please text us at 754-799-7833 or email support@privatemdlabs.com. You can read more about our cancellation policy here.

How can I find a lab location near me?

During the ordering process, you’ll be able to select a specific lab near you, with no strings attached! You can switch it up later easily and visit any of our authorized locations as long as it’s the same lab company you selected your test for (Quest Diagnostics or Labcorp). Before you proceed with your order, feel free to browse through all our lab locations here. This will give you the peace of mind of knowing that there's a lab nearby your home, office or your favorite gym. If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.

Free Lambda Light Chain Test - Immune Protein Check

Getting your blood test with us is easy, private & backed by the power of science.

Long story short:

In the test options, use the filters or search box to narrow your choices and find the test you want.
If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test.
Once your order is placed, we’ll create your doctor’s lab order remotely, without any need for you to make a trip to a doctor in person or to talk to the doctor. Expect to receive your doctor’s lab order right in your inbox. It will also be in your patient portal if you need to find it later. We’ll also include instructions regarding fasting and other requirements for your test. Your patient portal will be auto-created hassle-free during checkout.
If this is your first time ordering, you'll be prompted to create a password for instant login access to your patient portal. It's a quick way to conveniently access your orders and results whenever you want.
When you’re ready, visit one of our 4,000 locations. Just bring your ID – no printing or faxing of your lab order is needed, as your order and details will already be in the lab system.
Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way.
You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy!

754-799-7833

[email protected]