What does high WBC and Vitamin B12 mean in blood test?

High WBC and Vitamin B12 can be caused by numerous problems.

High levels of WBC and Vitamin B12 in the blood indicate a variety of health problems. If your blood WBC level is between 4 thou/uL to 11 thou/uL and the Vitamin B12 level is between 211 thou/uL to 911 pg/mL, then your body does not have any underlying health problems. But if WBC and Vitamin B12 levels exceed these levels, you should see a doctor immediately.

Normal WBC range : 4 - 11 thou/uL

Age-wise ideal WBC level in blood:

Age	Ideal WBC value
<5 years	4.182
5-10 years	4.372
10-15 years	4.57
15-20 years	4.777
20-25 years	4.994
25-30 years	5.221
30-35 years	5.458
35-40 years	5.706
40-45 years	5.965
45-50 years	6.236
50-55 years	6.519
55-60 years	6.815
60-70 years	7.124
70-80 years	7.447
80-90 years	7.785
90-100 years	8.138
>100 years	8.507

*Ideal values ​​are calculated based on our database of patient records

If you want your blood test report to be interpreted by WBC specialist, then you can upload your report. Our WBC expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours. Upload blood test report now

1,37,160

Total number of patients treated

Some examples of conditions that increase or decrease WBC levels include:

• Infections, most commonly caused by bacteria and some viruses, less commonly by fungi or parasites
• Bone marrow damage
• Overwhelming infections (e.g., sepsis)
• Inflammation or inflammatory conditions such as vasculitis or inflammatory bowel disease
• Myelodysplastic syndrome

If you want your blood test report to be interpreted by WBC specialist, you can upload your report. Our WBC expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours. Upload blood test report now

Normal Vitamin B12 range : 211 - 911 pg/mL

Age-wise ideal Vitamin B12 level in blood:

Age	Ideal Vitamin B12 value
<5 years	220.579
5-10 years	230.593
10-15 years	241.062
15-20 years	252.006
20-25 years	263.447
25-30 years	275.407
30-35 years	287.91
35-40 years	300.981
40-45 years	314.646
45-50 years	328.931
50-55 years	343.864
55-60 years	359.475
60-70 years	375.795
70-80 years	392.856
80-90 years	410.692
90-100 years	429.337
>100 years	448.829

High WBC and Vitamin B12 levels in the blood can cause a number of health problems. Your GP may recommend follow-up tests to get an important picture of your overall health and well-being. If the results are greater than 11 thou/uL for WBC and more than 911 pg/mL for Vitamin B12, you may also need some follow-up tests that will help detect the underlying disease early.

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How is a blood test performed in the lab?

Depending on the symptoms you are experiencing, your doctor may order a WBC and Vitamin B12 test. In most hospitals WBC and Vitamin B12 results can be obtained within three to six hours after blood is taken. The blood is usually drawn from a vein on the inside of the elbow or the back of the hand. Drink plenty of water before your appointment. If you experience any symptoms that you are concerned about are out of the ordinary, call your doctor immediately.