Top answers from doctors based on your search:
Disclaimer

cbc blood test fasting requirements

A 62-year-old female asked:
Dr. Dean Giannone
25 years experience Internal Medicine
Not yet...: any fasting blood sugar below 100 is technically normal, but your number did go up pretty quickly. Tweak your diet and exercise regimen to get that nu ... Read More

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
24/7 visits
$15 per month
A 20-year-old male asked:
Dr. Michael Gabor
33 years experience Diagnostic Radiology
CBC and FBC,: complete blood count and full blood count, are two terms for the same test.
A 47-year-old member asked:
Dr. Gurmukh Singh
49 years experience Pathology
Usually infection: Left shift means slightly pre-mature leukocytes in circulation which is usually due to infection.
1
1 thank
Dr. Lester Thompson
33 years experience Pathology
More immature cells: Left shift means that the white blood cells are more immature. Depending on the degree of immaturity (blasts, metamyleocytes, promyelocytes) would de ... Read More
A 23-year-old female asked:
Dr. Michael Dugan
Specializes in Hematology
The CBC: Would not show anything. The only blood test that would is a serology looking for the hsv infection.
A 46-year-old member asked:
Dr. Sewa Legha
50 years experience Medical Oncology
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 ra ... Read More
1
1 thank
A 20-year-old male asked:
Dr. Willam Lau
10 years experience Infectious Disease
Possibly: if the CBC has elevated WBC possible infection best test would be a scrotal ultrasound or physical exam
1
1 thank
A 33-year-old member asked:
Dr. Agos Luca
Dr. Agos Luca answered
Specializes in Pathology
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 th ... Read More
A 27-year-old female asked:
Dr. Eric Chevlen
47 years experience Medical Oncology
No: That test gives no specific information concerning Ebola, but may be abnormal in a host of different illnesses.
1
1 thank
A female asked:
Dr.
A Verified Doctor answered
A US doctor answered Learn more
No: It should not affect your test result significantly. http://www.mayoclinic.org/tests-procedures/complete-blood-count/details/how-you-prepare/ppc-2025 ... Read More
A 18-year-old female asked:
Dr. James Ferguson
46 years experience Pediatrics
Yes: A CBC is not a reliable screening test for any cancer. The structures involved are totally unrelated.
1
1 thank

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
24/7 visits
$15 per month