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

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

High levels of Vitamin B12 and TIBC in the blood indicate a variety of health problems. If your blood Vitamin B12 level is between 211 pg/mL to 911 pg/mL and the TIBC level is between 250 pg/mL to 450 mcg/dL, then your body does not have any underlying health problems. But if Vitamin B12 and TIBC levels exceed these levels, you should see a doctor immediately.

Normal Vitamin B12 range : 211 - 911 pg/mL

Age-wise ideal Vitamin B12 level in blood:

Age	Ideal Vitamin B12 value
<5 years	214.948
5-10 years	218.97
10-15 years	223.067
15-20 years	227.241
20-25 years	231.493
25-30 years	235.824
30-35 years	240.236
35-40 years	244.731
40-45 years	249.31
45-50 years	253.975
50-55 years	258.727
55-60 years	263.568
60-70 years	268.499
70-80 years	273.523
80-90 years	278.641
90-100 years	283.854
>100 years	289.165

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

If you want your blood test report to be interpreted by Vitamin B12 specialist, then you can upload your report. Our Vitamin B12 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 Vitamin B12 levels include:

• Crohn disease
• Ulcerative colitis
• Celiac disease
• Reduced stomach acid production
• Pancreatic insufficiency

If you want your blood test report to be interpreted by Vitamin B12 specialist, you can upload your report. Our Vitamin B12 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 TIBC range : 250 - 450 mcg/dL

Age-wise ideal TIBC level in blood:

Age	Ideal TIBC value
<5 years	254.678
5-10 years	259.443
10-15 years	264.297
15-20 years	269.242
20-25 years	274.28
25-30 years	279.412
30-35 years	284.64
35-40 years	289.966
40-45 years	295.391
45-50 years	300.918
50-55 years	306.548
55-60 years	312.284
60-70 years	318.127
70-80 years	324.079
80-90 years	330.143
90-100 years	336.32
>100 years	342.613

High Vitamin B12 and TIBC 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 911 pg/mL for Vitamin B12 and more than 450 mcg/dL for TIBC, 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 Vitamin B12 and TIBC test. In most hospitals Vitamin B12 and TIBC 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.