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Complete blood count test for detecting anemia, infections, and overall health screening

Blood Test for Fatigue, Weakness, and Frequent Infections

Complete Blood Count / CBC (includes Differential and Platelets)

Google
3,138 reviews
  • Reveal underlying infections or inflammations effortlessly
  • Detect anemia or other blood disorders early
  • Assess your overall health status comprehensively
First results as soon as overnight*

90 day happiness guarantee

We stand behind our service

Prescription & fees included

Go directly to the lab, no extra fees

Easy to understand results

With friendly doctor's notes & guidance

Fast & convenient

Lab visit as quick as 10 mins in & out

90 day happiness guarantee

We stand behind our service

Prescription & fees included

Go directly to the lab, no extra fees

Easy to understand results

With friendly doctor's notes & guidance

Fast & convenient

Lab visit as quick as 10 mins in & out

What's this test for?

This test is ideal if you're experiencing unexplained fatigue, frequent infections, easy bruising, or weakness. It helps identify anemia, infections, blood disorders like leukemia, and inflammatory conditions by examining your red blood cells, white blood cells, and platelets. Many people use this as a routine health screening or when their doctor suspects a blood-related issue affecting their energy and immunity.

How should I prepare for this test?

No preparation is needed for this test. You don't need to fast, and you can take your regular medications and eat normally before your blood draw. Simply schedule your appointment at a convenient time and arrive ready for a quick blood collection.

What's included in this test?

Absolute Basophils Absolute Blasts Absolute Eosinophils Absolute Lymphocytes Absolute Metamyelocytes Absolute Monocytes Absolute Myelocytes Absolute Neutrophils Absolute Nucleated Rbc Absolute Promyelocytes Basophils Blasts Eosinophils Hematocrit Hemoglobin Lymphocytes MCH MCHC MCV MPV Metamyelocyte Metamyelocytes Monocytes Myelocyte Myelocytes Neutrophils Nucleated RBC Nucleated RBCs Platelet Count Promyelocyte Promyelocytes RDW Reactive Lymphocytes Red Blood Cell Count Red Blood Cells Segmented Neutrophils Smudge Cells White Blood Cell Count White Blood Cells

This comprehensive panel evaluates your red blood cells to detect anemia and oxygen-carrying capacity, white blood cells to assess immune function and detect infections or blood cancers, and platelets to check your blood clotting ability. The differential breaks down specific white blood cell types (neutrophils, lymphocytes, monocytes, eosinophils, basophils) to pinpoint infection types or inflammatory conditions. Together, these measurements provide a complete picture of your blood health, immune system strength, and potential blood disorders.

What happens after I get my results?
You'll receive detailed doctor notes in simple language explaining what your blood cell counts mean for your health, energy levels, and immune function. These notes include personalized recommendations like dietary changes to address anemia, when to monitor for infections, or whether you should follow up with a hematologist. You'll also get the standard lab report and can track your blood counts over time using our trends feature to monitor improvements or changes.
Who should consider getting this test?
This test is valuable for anyone experiencing persistent fatigue, weakness, frequent infections, or unexplained bruising. It's commonly ordered as part of routine physical exams, before surgery, during pregnancy, or when monitoring chronic conditions. People with a family history of blood disorders, those taking medications that affect blood cells, or anyone with concerning symptoms should consider this screening.
What symptoms indicate I may need this test?
Common symptoms include persistent tiredness or weakness, frequent or recurring infections, unusual bruising or bleeding, pale skin, rapid heartbeat, dizziness, or shortness of breath. You might also need this test if you have unexplained weight loss, night sweats, swollen lymph nodes, or if your doctor detects an enlarged spleen during examination.
What does low hemoglobin mean?
Low hemoglobin indicates anemia, meaning your blood isn't carrying enough oxygen to your body's tissues. This explains symptoms like fatigue, weakness, pale skin, shortness of breath, and dizziness. Anemia can result from iron deficiency, vitamin B12 or folate deficiency, chronic disease, blood loss, or inherited conditions, and usually improves with proper treatment.
What does high white blood cell count mean?
An elevated white blood cell count typically indicates your body is fighting an infection, inflammation, or experiencing physical stress. It can result from bacterial or viral infections, allergic reactions, certain medications, or chronic inflammatory conditions. In rare cases, very high counts may signal blood disorders like leukemia, which is why the differential helps identify the specific cause.
How can I naturally support healthy blood cell production?
Supporting healthy blood requires eating iron-rich foods like lean meats, beans, and leafy greens, along with vitamin C to enhance iron absorption. Include foods high in B vitamins (eggs, dairy, whole grains) and folate (spinach, lentils, avocados) for red blood cell production. Getting adequate sleep, staying hydrated, managing stress, and avoiding excessive alcohol help maintain healthy blood cell counts and immune function.
How often should I retest my blood counts?
For routine health monitoring, annual CBC testing is typically sufficient for healthy adults. If you have anemia or a blood disorder, your doctor may recommend retesting every 3-6 months to monitor treatment effectiveness. People with chronic conditions, undergoing chemotherapy, or taking medications that affect blood cells may need more frequent testing every 1-3 months as directed by their healthcare provider.
How’s this work?
Getting your blood test with us is easy, private & backed by the power of science.

Long story short:
  1. In the test options, use the filters or search box to narrow your choices and find the test you want.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.
  7. You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy!
  8. If you have any questions, please text us at 754-799-7833 or email [email protected] 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 [email protected], and we'll gladly help you. We've got your back and reply quickly.
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 [email protected]. 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 [email protected].
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 [email protected].

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 [email protected] and we'll gladly help you.

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

You get clinical lab reports & simplified health insights.
Save time & gas, go straight to the lab. Our doctors cover the rest.
Results start landing the next day after your lab visit.*
We don’t sell or share your data. Your time & privacy matter.
US-licensed doctors have your back if things get unclear.
No hidden fees, nice discounts for regular checkups.
Save a trip to the doctor, go directly to the lab
Instant orders, results often overnight*
Results explained in simple language
Reviewed by US licensed doctors
Fast & confidential, we never sell or share your data
No insurance needed, transparent pricing
Demo results
Hemoglobin 11.8 g/dL
Demo results
Low Optimal 12.0 - 16.0 High
11.8 g/dL

What this means

Your hemoglobin is slightly below the optimal range, indicating mild anemia. This means your blood isn't carrying quite enough oxygen to your body's tissues, which can explain feelings of fatigue, weakness, or occasional shortness of breath. With proper nutrition and possibly supplementation, this typically improves within a few months.

* Regular blood test results (e.g., CBC) typically start arriving the next business day after sample collection. More complex tests, such as hormone panels, may take up to 10–15 business days due to their complexity.
Here’s how easy it is to get blood work done on your terms
Choose a checkup
Order your test Save a trip to the doctor. Your results will come with clear, friendly explanations. Takes 2 minutes
Book a lab
Book an appointment Visit any of our 4,000 nearby lab locations to have your samples collected. Book or walk-in
Choose a checkup
Get results Receive a clear, easy-to-digest health report by email & SMS within a few business days. Get answers, fast

Blood Test for Fatigue, Weakness, and Frequent Infections

Google
3,138 reviews
  • Reveal underlying infections or inflammations effortlessly
  • Detect anemia or other blood disorders early
  • Assess your overall health status comprehensively

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

Google reviews 3138 reviews Next
Still got questions? Text our super-cool support team at 754-799-7833 to get help finding your ideal checkup.