What's this test for?

This test is ideal if you're experiencing symptoms like unexplained bone pain, persistent fatigue, frequent infections, or swollen lymph nodes that haven't gone away. It's also used when a previous blood or imaging finding raised concern about abnormal plasma cell or lymphocyte growth. The test looks for a specific protein pattern that can point to conditions like multiple myeloma or lymphoproliferative disease.

What happens after I get my results?

Your results will show up in your account with a clear explanation of what a normal versus abnormal pattern looks like for this test. If your result comes back abnormal, the report will outline what that may mean and suggest appropriate next steps, which may include additional testing or imaging. You can download a standard lab report anytime from your account, and if you retest in the future, the trends feature lets you compare results side by side. If your result suggests something urgent, don't wait — seek medical care right away.

Who should consider this test?

People with unexplained bone pain, ongoing fatigue, repeated infections, or swelling in the lymph nodes may want to consider this test. It's also useful for anyone whose prior blood work showed unusual protein levels and needs a closer look at whether abnormal cell growth is present. If cancer of the blood or lymph system runs in your family, this test can be a helpful screening step.

What symptoms indicate I may need this test?

Watch for symptoms like deep bone pain (especially in the back or ribs), unusual tiredness that doesn't improve with rest, frequent infections, unexplained weight loss, or swollen lymph nodes. Some people also notice increased thirst, confusion, or kidney issues, which can sometimes be linked to abnormal protein buildup in the blood. If you're noticing a combination of these symptoms, 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 sample being processed at the lab. This test involves a detailed tissue-based analysis, which takes a bit longer than a standard blood test. You'll get a notification as soon as your results are available in your account.

What is clonal proliferation and why does it matter?

Clonal proliferation means that a single type of immune cell has started multiplying out of control, crowding out normal cells. This matters because it's a hallmark sign of conditions like multiple myeloma or certain lymphomas, where identifying it early can lead to quicker action. Catching this pattern gives you and your care team more time to plan appropriate follow-up steps.

What does an abnormal kappa light chain pattern mean?

An abnormal or restricted kappa light chain pattern suggests that one group of cells is producing an excess of this protein, which is a sign of possible clonal (abnormal) growth. This doesn't automatically mean cancer, but it does mean further evaluation is a smart next step. The full report explains exactly how your result compares to a normal, balanced pattern.

What causes an abnormal kappa light chain result?

The most common cause is a group of plasma cells or lymphocytes growing abnormally, as seen in multiple myeloma or lymphoproliferative disorders. Less often, other immune system conditions or inflammatory states can cause changes in light chain patterns. The specific cause can only be narrowed down with follow-up testing and imaging.

How often should I retest?

If your first result is normal and you have no ongoing symptoms, retesting usually isn't needed unless new symptoms appear. If your result was abnormal or borderline, retesting every few months alongside other follow-up tests can help track any changes over time. Using the trends feature makes it easy to see if a pattern is stable or progressing.

What should I do if my results are abnormal?

Start by reading the full explanation in your report to understand exactly what your result shows. Consider follow-up testing such as additional blood work or imaging to get a fuller picture, and keep a record of any symptoms you're experiencing. If your result indicates something urgent or you feel unwell, seek medical care promptly.

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.

Kappa Light Chain Test - Myeloma & Lymphoma Screening

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]