What is red blood cell (RBC) count in blood testing?

The RBC count is a blood test that measures the number of red blood cells in a person’s bloodstream. Red blood cells provide oxygen and nutrients to body cells. A low RBC count can indicate: Anemia Kidney disease Iron deficiency A high RBC count may be associated with: Lung disease (like pneumonia) Heart failure Blood clots Blood transfusion after injury

Why are they testing my white blood count (WBC)?

The white blood cell count (WBC) is used frequently to assess your overall health and determine if you have an infection as white blood cells are the body’s natural defense against bacteria, viruses, and other foreign invaders.

What is the significance of testing for eosinophils on CBC?

Eosinophils are a subclass of white blood cells that can be detected on a complete blood count. Eosinophils play an important role in protecting the body against parasites and foreign invaders. Tests for eosinophils can help determine if these cells are being produced in response to infection or allergic reactions such as asthma or fever.

When testing blood for warfarin, what does the number for blood count mean?

There are two types of blood count tests that can be done with the blood thinner warfarin:1. International normalized ratio (INR) test, which indicates how fast your blood clots2. Prothrombin time test, which indicates how long it takes for your blood to clot

Do I need to visit a doctor?

Nope. You don't need a doctor's visit to get a test with us.

How do I get my results?

You'll get your results via email as soon as they are available. We will notify you via SMS as well. You can also see them at any time in the future right in your dashboard where you can easily share them with your professional and compare them side by side with future tests.

Does my lab prescription expire?

We're the only lab that honors your lab order forever.

Complete Blood Count (CBC) Testing

HSA/FSA accepted

Complete Blood Count / CBC (includes Differential and Platelets)

Reveal underlying infections or inflammations effortlessly
Detect anemia or other blood disorders early
Assess your overall health status comprehensively

^$29

What’s included

Earn 29 points

No need to visit a doctor
Results by email & SMS
Prescription never expires
All inclusive, no extra fees
1-minute checkout

Lab order
in a few minutes

Low prices
since 2005

90 day money-back
guarantee

No waiting
at the doctor's

Labs within
2 miles

Private, accurate
and secure

HSA/FSA accepted

Complete Blood Count / CBC (includes Differential and Platelets)

Reveal underlying infections or inflammations effortlessly
Detect anemia or other blood disorders early
Assess your overall health status comprehensively

Includes: 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

Test details HSA/FSA: reimbursable Results: first results available starting the next day, complete results in 3 business days

^$ 29

Earn 29 points

What’s included

HSA/FSA accepted

Complete Blood Count (CBC) w/ Differential

Reveal underlying infections or inflammations effortlessly
Detect anemia or other blood disorders early
Clarify the cause of unexplained fatigue

^$ 50

Earn 50 points

What’s included

What is a Complete Blood Count (CBC) Test?

A Complete Blood Count (CBC) test gives a physician and their patient vital information regarding the kinds and numbers of cells in the patient's blood, particularly red and white blood cells, and platelets. This type of test helps a physician assess the cause of symptoms in a patient such as weakness, fatigue, or bruising, and can also help in determining if a patient may have anemia, an infection, or a number of other conditions or disorders.

Who May Need a Complete Blood Count (CBC) Test?

Patients who have experienced symptoms of fatigue, weakness, fever, bruising or unexplained weight loss will most benefit from a Complete Blood Count (CBC) test. It can also be useful in checking a patient for anemia, infections, determining how much blood has been lost in the case of bleeding, as well as diagnosing polycythemia and other diseases of the blood which include leukemia. This test is commonly part of a patient's yearly physical examination and can give crucial information into the general health of a patient.

What Should I Expect from My Complete Blood Count (CBC) Test?

Your Complete Blood Count (CBC) test is taken through a blood sample and can help a physician determine if there are any reasons for concern regarding your health, particularly in relation to the quality of your blood. It tests a patient for blood abnormalities which may cause malaise (fatigue) and bruising, as well as being useful in the diagnosis of anemia, infection, leukemia, and other blood-related disorders. Common reference ranges for results exist among CBC tests, though some labs may have different ranges for you and your physician. Speak to your doctor regarding your results to get more information on how your results concern to you and your health specifically.

FAQ

What is a complete blood count (CBC) test?
A complete blood count (CBC) test measures the cells that make up your blood:
- Red blood cells
- White blood cells
- Platelets
- Hemoglobin
- Hematocrit
What is red blood cell (RBC) count in blood testing?
The RBC count is a blood test that measures the number of red blood cells in a person’s bloodstream. Red blood cells provide oxygen and nutrients to body cells. A low RBC count can indicate:
- Anemia
- Kidney disease
- Iron deficiency
A high RBC count may be associated with:
- Lung disease (like pneumonia)
- Heart failure
- Blood clots
- Blood transfusion after injury
Why are they testing my white blood count (WBC)?

The white blood cell count (WBC) is used frequently to assess your overall health and determine if you have an infection as white blood cells are the body’s natural defense against bacteria, viruses, and other foreign invaders.
What is the significance of testing for eosinophils on CBC?

Eosinophils are a subclass of white blood cells that can be detected on a complete blood count. Eosinophils play an important role in protecting the body against parasites and foreign invaders. Tests for eosinophils can help determine if these cells are being produced in response to infection or allergic reactions such as asthma or fever.
When testing blood for warfarin, what does the number for blood count mean?

There are two types of blood count tests that can be done with the blood thinner warfarin:
1. International normalized ratio (INR) test, which indicates how fast your blood clots
2. Prothrombin time test, which indicates how long it takes for your blood to clot
Do I need to visit a doctor?

Nope. You don't need a doctor's visit to get a test with us.
How do I get my results?

You'll get your results via email as soon as they are available. We will notify you via SMS as well. You can also see them at any time in the future right in your dashboard where you can easily share them with your professional and compare them side by side with future tests.
Does my lab prescription expire?

We're the only lab that honors your lab order forever.