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A 44-year-old member asked:

how much blood do doctors take for routine blood tests?

1 doctor answer1 doctor weighed in
Dr. Gurmukh Singh
Pathology 49 years experience
Depends: There are no routine tests. It depends on the types of tests to be done as various blood constituents need different types of preservatives and hence different colored tubes. Generally about 10 ml is sufficient.

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Similar questions

Tucson, AZ
A 25-year-old female asked:

What are normal mpv ranges mine was 10.7 and all other blood tests where normal?

2 doctor answers3 doctors weighed in
Dr. Robert Kwok
Pediatrics 33 years experience
About 9-12 fL: Different labs and/or different countries may have minor differences in their "normal ranges" for mean platelet volume. It is usually about 9-12 fl.
Dr. Ed Friedlander
Pathology 44 years experience
This is good advice. Thanks for letting us know. Don't worry about the MPV. You're a person, not a number.
Jul 19, 2013
A 60-year-old male asked:

My doc calls me for blood tests every six months.

1 doctor answer1 doctor weighed in
Dr. Robert Killian
General Practice 28 years experience
Doctors: Good. As the consumer, you should know what is being tested and why.
Portugal
A 53-year-old female asked:

My husband is exhausted with fsgc his andrenals are apparently good, his blood tests apart from protienura are good, drs here don't know?!

1 doctor answer1 doctor weighed in
Dr. Sewa Legha
Medical Oncology 50 years experience
Many different cause: Fatigue and exhausted feelings can be due to many different reasons. If there is no physical abnormality you should look into emotional issues like depression or lack of sleep due to anxiety, depression or breathing problems like sleep apnea which can rob one from a restful sleep leading to a tired exhausted feeling next day.
A 43-year-old member asked:

What does elevated red cells & elevated white cells mean in blood tests?

1 doctor answer1 doctor weighed in
Dr. Hermilando Payen
Pathology 56 years experience
Cytosis: Erythrocytosis and leukocytosis mean elevation of the rbc and WBC counts respectively above the reference values of the lab. Slight increase could be physiologic reactions but usually when leukocytosis is accompanied by fever, it signifies infection. In your body. Elevation of rbc or WBC with many persistent abnormal young forms could mean early dysplasia or leukemia.
A 31-year-old member asked:

Does taking antibotics affect blood tests?

1 doctor answer1 doctor weighed in
Dr. Stanley Lightfoot
Pathology 58 years experience
See below: It depends on what the blood test is for. If it is checking for the cause of the infection it certainly may interfere with the result.

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Last updated May 9, 2017

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