What's this test for?

This test is ideal if you're being evaluated for a blood-related condition or a tumor and your tissue sample needs a closer look under specialized staining. It helps identify whether certain cells, particularly those related to platelets and megakaryocytes, are present in a biopsy or tissue sample. This is typically ordered as a follow-up to a tissue biopsy rather than for general screening.

What's included in this test?

This test uses immunohistochemistry (IHC) to detect the CD61 marker, a protein found on platelets and the cells that make them. Identifying this marker on a tissue sample helps characterize unknown cells and distinguish platelet-related cells from other cell types during diagnostic workups.

What happens after I get my results?

Your results will be available in your account, with an interpretation explaining what the CD61 staining pattern means for the sample tested. Because this is a specialized pathology test, next steps usually involve discussing findings in the context of your broader diagnostic workup rather than routine lifestyle changes. The standard lab report can be downloaded directly from your account for your records. If you have follow-up testing over time, you can track results using the trends feature in your account.

How can I naturally support healthy platelet function?

While this test itself is diagnostic and not something lifestyle changes can influence directly, general platelet and blood cell health can benefit from a balanced diet rich in iron, vitamin B12, and folate. Staying hydrated and avoiding excessive alcohol can also support healthy blood cell production. These habits are supportive measures only and don't replace the diagnostic purpose of this test.

When will I get my results?

Results are typically ready within about 7 days of your sample being processed at the lab. Specialized IHC staining and pathologist interpretation can take a bit longer than standard blood work because of the detailed tissue analysis involved. 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 individuals who already have a tissue or biopsy sample being evaluated for a suspected blood disorder or tumor. It's often used alongside other diagnostic tests rather than as a standalone or first-line test. If a biopsy has been recommended for you, this marker may be part of that broader evaluation.

What is CD61 and why does it matter?

CD61 is a protein marker found on platelets and the cells in bone marrow that produce them, called megakaryocytes. Pathologists use it to help identify these cell types in tissue samples, which can be important when investigating certain blood disorders or tumors involving platelet-producing cells. Detecting this marker adds a valuable piece of information to a larger diagnostic picture.

What does a positive CD61 result mean?

A positive result means the cells in your tissue sample show the CD61 marker, suggesting they are platelets or platelet-producing cells. This finding is used alongside other markers and clinical information to help characterize the tissue sample. It does not by itself diagnose a specific condition.

What does a negative CD61 result mean?

A negative result means the tested cells did not show the CD61 marker, which helps rule out platelet-related cell types in that sample. This information helps narrow down what type of cells are present. It's typically interpreted together with other markers run on the same sample.

What should I do if my results are abnormal?

If your report shows unexpected findings, review the interpretation notes included in your report for context. Because this test is usually part of a larger diagnostic workup, unusual results are best understood alongside your other test results and clinical history. If you have concerns about what the findings mean, following up with additional testing as recommended in your report is a reasonable next step.

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.

CD61 IHC Test - Platelet Cell 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

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