What's this test for?

This test is ideal if you're working through a cancer diagnosis workup, particularly for lymphoma, and need specialized tissue analysis. It helps identify PD-1 protein expression on immune cells within a tissue sample, which supports classification of certain T-cell lymphomas and Hodgkin lymphoma. This is a specialized pathology test, typically ordered as part of a broader diagnostic or research process rather than a routine screening.

What happens after I get my results?

Your results will be available in your account, and since this is a specialized IHC (immunohistochemistry) stain without interpretation, the report will show the raw staining pattern findings from the lab. Because this test doesn't include a clinical interpretation, the next step is usually correlating these findings with your broader diagnostic workup and other test results. You can download the standard lab report anytime from your account, and if you order related follow-up testing later, you can track results over time using the trends feature.

Who should consider this test?

This test is typically considered by people already undergoing evaluation for a suspected lymphoma or those whose care involves assessing tumor-infiltrating lymphocytes for immunotherapy planning. It's generally used alongside other tissue studies rather than as a stand-alone first test. If you've been advised to get specialized tissue marker testing as part of a cancer workup, this test may be a relevant piece of that puzzle.

What is PD-1 and why does it matter?

PD-1 is a protein found on certain immune cells called T-cells, and it plays a role in controlling how strongly your immune system attacks abnormal cells. Some cancers use PD-1 pathways to hide from the immune system, so measuring PD-1 expression in a tissue sample helps identify certain lymphomas and can guide decisions around immunotherapy approaches. Understanding PD-1 patterns gives useful information about how a tumor might respond to specific treatment strategies.

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. Specialized tissue stains like this one can take a bit longer than standard blood tests because of the detailed lab processing involved. You'll be notified as soon as your report is available in your account.

What symptoms indicate I may need this test?

This test isn't based on everyday symptoms like fatigue or pain — it's usually ordered when there's already a suspicious tissue finding, swollen lymph nodes, or a lymphoma diagnosis being investigated. If you've had an abnormal biopsy or imaging result and further tissue characterization is needed, this test may come into play. It's a specialized follow-up test rather than a first-line symptom check.

How can I naturally support my immune system during a cancer workup?

While this test itself measures a specific tissue marker and isn't something you can influence with lifestyle changes, supporting your overall immune health can still help during this time. Eating a balanced diet with plenty of vegetables, fruits, and lean protein, staying physically active as tolerated, prioritizing sleep, and managing stress through relaxation techniques can all support your body's resilience. These habits won't change your PD-1 results but are good general practices during any diagnostic process.

What does a positive PD-1 finding mean?

A positive or high PD-1 expression finding means the tissue sample shows this protein present on immune cells, which can be a meaningful clue in diagnosing certain lymphomas like Hodgkin lymphoma or in evaluating how a tumor might respond to immunotherapy drugs. It doesn't diagnose cancer on its own — it's one piece of information combined with other pathology findings. The full clinical picture, including other stains and test results, is needed to understand what this means for your specific situation.

How often should I retest?

This isn't a test you'd routinely repeat on a schedule like a cholesterol or blood sugar panel — it's typically a one-time tissue analysis tied to a specific diagnostic question. If your treatment plan changes or new tissue samples become available, retesting might be considered as part of ongoing cancer monitoring. Any retesting decisions depend on your specific diagnostic and treatment timeline.

What should I do if my results are abnormal?

Since this test doesn't come with a built-in interpretation, an abnormal or notable finding should be reviewed alongside your other diagnostic test results and imaging to get the full picture. Keep a copy of your downloadable report handy so you can reference the specific findings when discussing next steps. If you're experiencing worsening symptoms like unexplained weight loss, persistent swollen lymph nodes, or fevers, 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.

PD-1 IHC Test - Lymphoma & Immunotherapy Marker

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]

PD-1 Tissue Test for Lymphoma Diagnosis Support

PD-1, IHC without Interpretation

Prescription & fees included

Easy to understand results

Fast & convenient

Prescription & fees included

Easy to understand results

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.

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PD-1 Tissue Test for Lymphoma Diagnosis Support

Prescription & fees included

Easy to understand results

Fast & convenient

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