Top
10
Doctor insights on: Does Donating Blood Interfere With A Cbc Blood Test

Share
1

1
I regularly donate blood every 2 months. would this affect blood test results and so which ones? CBC? LFT? CMP?tbili?

I regularly donate blood every 2 months. would this affect blood test results and so which ones? CBC? LFT? CMP?tbili?

Iron: Serum iron and ferritin levels are likely to be affected before any other test results. Do not wait for hemoglobin to drop. If you donate blood regularly, it would be a good idea to take oral iron supplements. ...Read more

Complete Blood Count (Definition)

Share on twitter bookmark & share printer-friendly version a complete blood count (CBC) test measures the following: •the number of red blood cells (rbc count) •the number of white blood cells (wbc count) •the total amount of hemoglobin in the blood •the fraction of the blood composed of ...Read more


2

2
What does a left shift mean on a CBC blood test?

What does a left shift mean on a CBC blood test?

Usually infection: Left shift means slightly pre-mature leukocytes in circulation which is usually due to infection. ...Read more

See 1 more doctor answer
4

4
Can a CBC (blood test) show leukemia always?

Can a CBC (blood test) show leukemia always?

Yes, most times: A leukemia typically begins in the bone marrow and will often show effects on the CBC as the cancer cells spill over into the circulating blood. On rare occasions leukemia may be still limited in the bone marrow, so we make a diagnosis by taking a bone marrow sample. ...Read more

5

5
Could a CBC (blood test) show leukemia accurately always?

Could a CBC (blood test) show leukemia accurately always?

Sometimes: Sometimes but not always. Leukemia, a form of blood and bone marrow cancer, is frequently detectable in the blood; however, especially if early in the course of the disease, leukemic cells may be confined to the bone marrow and not cross into the blood in sufficient numbers to be detected by a cbc. Ultimately, the complete diagnosis and prognosis of leukemia relies on bone marrow examination. ...Read more

6

6
How can a CBC blood test show signs of cancer?

How can a CBC blood test show signs of cancer?

Cbc: Yes, there are some abnormal features that you can see in CBC ( and peripheral blood smears) that would increase your suspicion towards certain blood cancer-for instance- circulating blast cells ( immature white blood cells) in acute leukemia, and other features that you can see in chronic leukemia- i.e. Cml, cll. You can not see any sign of solid cancer from cbc, however, . ...Read more

See 1 more doctor answer
8

8
If someone had later stage cancers would a CBC blood test be normal?

If someone had later stage cancers would a CBC blood test be normal?

Possibly: Honestly, it would depend on the specific cancer and where and if it has spread to other sites. For instance, melanoma would likely have a normal count but leukemia would not. ...Read more

See 1 more doctor answer
9

9
Does a CBC blood test detect cancer? Specifically lymphoma?

CBC & Lymphoma: There are a few lymphomas which can be detected on a CBC but most will not show up that way. In other words, if your CBC is normal doesn't mean you don't have lymphoma. A biopsy of any enlarged lymph node is suggested. ...Read more

10

10
I got a CBC blood test and my lymphocytes reading was 45.5% and was flagged high...Normal said 42%. Everything else was normal. Is this bad.

I got a CBC blood test and my lymphocytes reading was 45.5% and was flagged high...Normal said 42%. Everything else was normal. Is this bad.

Absolute count?: These percentages mean nothing whatever apart from the total number of lymphocytes and the total number of neutrophils. If both are in the reference range or fairly close, this is not a cause for concern. ...Read more

Dr. Donald Alves
334 doctors shared insights

Blood Donation (Definition)

Blood donation is the act of giving ones blood to a blood bank, so that it may be used in the future to help someone else. People with transmissible viral diseases, such as HIV or hepatitis C, are not able to donate blood, as ...Read more


Cbc (Definition)

CBC is also known as complete blood count. CBC stands for complete blood count. This is a lab test that counts the different formed elements- red and white ...Read more