What's this test for?

This test is ideal if you or a specialist are investigating an unusual result from a blood or tissue biopsy that may point to a rare blood cancer, such as T-cell prolymphocytic leukemia or a plasmacytoid dendritic cell tumor. It looks at a specific protein marker in your cells to help clarify what type of abnormal cells are present. This is typically ordered as a follow-up test rather than a first-line screening.

What happens after I get my results?

Your results will appear in your account along with an explanation of what the finding means for the tissue sample tested. Because this is a specialized pathology marker rather than a simple high/low number, the report focuses on whether the protein was detected (positive) or not (negative) in the sample. A downloadable copy of the full lab report is available in your account at any time, and you can track any repeat testing over time using the trends feature. If your result raises concerns, prompt follow-up testing or further evaluation is recommended.

Who should consider this test?

This test is generally considered by people who already have an abnormal blood cell count or a suspicious biopsy finding that needs further characterization. It's also useful when distinguishing between similar-looking blood cancers, since TCL1 is present in some conditions but not others. Most people ordering this test are doing so as part of a broader diagnostic workup, not as routine screening.

What is TCL1 and why does it matter?

TCL1 is a protein found in certain young immune cells that helps control cell growth signals. In some rare blood cancers, cells produce far more TCL1 than normal, which pathologists use as a clue to identify the specific type of cancer. Knowing whether TCL1 is present or absent in a sample helps distinguish between look-alike conditions that need different management approaches.

When will I get my results?

Results for this test are typically ready within about 7 days after your sample is processed at the lab. This timeframe reflects the detailed staining and microscopic review needed for this specialized test. You'll receive a notification as soon as your report is available in your account.

What symptoms indicate I may need this test?

This test is usually ordered after symptoms like unexplained fatigue, swollen lymph nodes, unusual bruising, frequent infections, or abnormal results from a routine blood count. Skin lesions or an enlarged spleen can also prompt this kind of specialized testing. If you're experiencing these symptoms without a clear diagnosis, this test can help narrow down the cause.

How can I naturally support my immune system while awaiting results?

While this test itself isn't something diet or lifestyle changes can influence, supporting your general immune health is always a good idea. Eating a balanced diet, staying hydrated, getting enough sleep, and avoiding unnecessary infections can help your body cope better during a diagnostic workup. Avoid strenuous activity if you're feeling unusually fatigued or unwell until you understand your results.

What does a positive TCL1 result mean?

A positive result means the protein was found in your tissue sample, which can support a diagnosis of a specific type of blood cancer, such as T-cell prolymphocytic leukemia or a plasmacytoid dendritic cell neoplasm. This finding is usually interpreted alongside other tests, not on its own. It's important to seek prompt follow-up care to determine the next steps based on the complete picture.

How often should I retest?

This is not a routine test you would repeat on a regular schedule; it's typically ordered once to help clarify a diagnosis. Your results may prompt additional, different tests rather than a repeat of this same one. Any future retesting would depend on how your condition develops over time.

What should I do if my results are abnormal?

If your result comes back positive or unclear, it's important to seek prompt medical follow-up so the finding can be placed in the context of your full health picture. Bring your downloadable report to any follow-up visits, since it contains details útiles for further evaluation. Don't delay follow-up care, especially if you have symptoms like fatigue, swelling, or unexplained weight loss.

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.

TCL1 IHC Test - Blood Cancer Marker Analysis

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]

TCL1 Immunohistochemistry Test for Blood Cancer Evaluation

TCL1, IHC with Interpretation

Prescription & all lab fees included

Doctor's guidance included

Fast & convenient

Prescription & all lab fees included

Doctor's guidance included

Fast & convenient

What's this test for?

What happens after I get my results?

Who should consider this test?

Here’s why 1,000,000+ customers chose us for affordable hassle-free private blood testing.

Find a lab near you

TCL1 Immunohistochemistry Test for Blood Cancer Evaluation

Prescription & all lab fees included

Doctor's guidance included

Fast & convenient

1,000,000+ blood tests later, here's what our customers say