What's this test for?

This test is ideal if you're working through a cancer diagnosis and need more detail about a specific type of blood or lymph tissue abnormality. It's a specialized tissue stain (immunohistochemistry) used to help identify certain blood cancers, such as T-cell prolymphocytic leukemia or blastic plasmacytoid dendritic cell tumors. This test is typically ordered as a follow-up to other findings rather than as a first-line screening.

What's included in this test?

This is a single, targeted stain that looks for the TCL1 protein in a tissue sample. It matters because TCL1 is present in most T-cell prolymphocytic leukemia cases but absent in other mature T-cell cancers, so it helps narrow down the exact type of abnormal cells present. It's also useful for telling apart certain rare dendritic cell tumors from look-alike conditions.

What happens after I get my results?

Your results will be available in your account along with an explanation of what the finding means. Because this is a specialized tissue stain without a standard interpretation report, the next step is usually to combine this result with your other pathology findings to get the full picture. You can download the standard lab report from your account at any time, and if you're being monitored over time, you can track related results using the trends feature. If any value looks concerning, prompt follow-up testing is recommended.

How can I naturally support healthy immune and blood cell function?

While this test result itself isn't something you can change with lifestyle habits, supporting your overall immune health can still help your body cope during evaluation and treatment. Eating a nutrient-dense diet with plenty of fruits, vegetables, and lean protein supports healthy blood cell production. Getting enough sleep, managing stress, and staying physically active as tolerated can also help your body handle any additional testing or treatment ahead. Avoid smoking and limit alcohol, as both can affect immune and blood cell health.

When will I get my results?

Results for this specialized tissue stain are typically ready within about 7 days of your sample being received at the lab. Because this test involves detailed tissue processing and staining, it can take a bit longer than standard blood tests. You'll be notified as soon as your results are posted to your account.

Who should consider this test?

This test is generally considered by people who already have an existing tissue or blood sample under evaluation for a possible blood or lymph cancer. It's most useful when initial findings suggest a T-cell abnormality or a rare dendritic cell tumor that needs further characterization. It isn't a general screening test for the public.

What symptoms might lead someone to need this type of test?

People being evaluated with this test often have symptoms like unexplained swollen lymph nodes, persistent fatigue, unexplained weight loss, or abnormal blood counts found on routine bloodwork. Skin lesions or an enlarged spleen can also prompt further tissue-based testing. These symptoms alone don't confirm anything specific, which is why more detailed tests like this one are used.

What is TCL1 and why does it matter?

TCL1 is a protein that helps regulate a cell-signaling pathway involved in cell growth and survival. In healthy people, it's normally found in certain young immune cells, but it shows up in unusually high amounts in specific blood cancers. Detecting it in a tissue sample helps pinpoint exactly which type of abnormal cells are present, which can guide next steps.

What does a positive TCL1 result mean?

A positive result means the protein was detected in the tissue sample, which can support a diagnosis of T-cell prolymphocytic leukemia or a related condition, especially when paired with other findings. It does not mean cancer is confirmed on its own — it's one piece of a larger diagnostic puzzle. Discussing this result alongside your other pathology findings is the best way to understand its full meaning.

What should I do if my results are abnormal?

If your result comes back positive or unclear, the best next step is to look at it together with your other test results and any prior pathology reports. Keep a copy of your downloadable lab report for your records, and consider additional testing if recommended based on your overall clinical picture. If you're experiencing worsening symptoms like severe fatigue, unexplained bleeding, or rapid swelling, 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.

TCL1 IHC Test - Blood Cancer Tissue 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 IHC Test for Blood Cancer Diagnosis

TCL1, IHC without 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's included in this test?

What happens after I get my results?

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TCL1 IHC Test for Blood Cancer Diagnosis

Prescription & all lab fees included

Doctor's guidance included

Fast & convenient

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