What's this test for?

This test is ideal if you're working through a cancer diagnosis and need to understand where an abnormal cell or tumor originated. It's a specialized pathology test used alongside a biopsy to help characterize unusual cells found in tissue. It's typically ordered as part of a broader diagnostic workup rather than a standalone screening test.

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 interpretive test, the report will describe whether the marker was present or absent and what that suggests about the cell type. The full pathology report is downloadable from your account, and you can keep records over time using the trends feature if additional related testing is done later. If results indicate a concerning finding, follow up with additional testing or a specialist as soon as possible.

Who should consider this test?

This test is generally considered when a biopsy or tissue sample has already been collected and there's a need to figure out what type of cells are present. It's most relevant for people already in a diagnostic pathway for a suspicious mass, tumor, or abnormal growth. It is not a general wellness or screening test for the public.

How can I naturally support healthy cell function?

While this test itself is diagnostic and not something lifestyle changes can influence, supporting your overall health can help your body handle treatment and recovery better. Eating a nutrient-dense diet, staying physically active as tolerated, getting enough sleep, and avoiding tobacco and excess alcohol all support your immune system and tissue health. These habits won't change a diagnostic result, but they support your body through whatever comes next.

When will I get my results?

Results for this test typically take about 7 days because it involves detailed lab processing and interpretation by a pathologist. This is longer than routine blood tests since the tissue sample needs specialized staining and microscopic review. You'll receive a notification as soon as your results are ready in your account.

What is Cytokeratin 7 and why does it matter?

Cytokeratin 7 is a protein found in certain types of cells, especially those lining glands and ducts in organs like the lungs, breasts, and ovaries. Pathologists use it as a marker to help figure out where an abnormal or cancerous cell might have come from. Knowing the origin of a cell helps guide what type of follow-up care makes sense.

What does a positive Cytokeratin 7 result mean?

A positive result means the cells being tested carry this specific marker, which narrows down the possible types of tissue the cells came from. This information is combined with other markers and clinical details to build a fuller picture of the diagnosis. It doesn't on its own confirm cancer or its type — it's one piece of a larger picture.

What does a negative Cytokeratin 7 result mean?

A negative result means the cells tested don't carry this particular marker, which helps rule out certain cell origins. This narrows the diagnostic possibilities and is often reviewed alongside other cytokeratin markers to build a complete profile. It's a normal part of the process for identifying unclear or unusual cells.

How often should I retest?

This isn't a routine test you'd repeat on a schedule — it's ordered based on a specific tissue sample and diagnostic need. If a new biopsy or tissue sample is taken in the future, this or a related marker test might be run again as needed. Retesting frequency depends entirely on your individual diagnostic and treatment situation.

What should I do if my results are abnormal?

If your report shows findings that suggest a concerning cell origin or type, it's important to act quickly on any recommended follow-up testing. Keep a copy of your downloadable report handy since it may need to be shared for further workup. If you're experiencing worsening symptoms alongside abnormal results, 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.

Cytokeratin 7 IHC Test - Tissue & Cancer Diagnosis

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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