What causes high Vitamin B12 and low APTT?

High Vitamin B12 and low APTT can be caused by many reasons.

If your Vitamin B12 is in between 211 pg/mL and 911 pg/mL and your APTT is in between 22 seconds and 35 seconds then you need not worry as these are the normal ranges for Vitamin B12 and APTT respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Normal range of Vitamin B12 : 211 - 911 pg/mL

Ideal values of Vitamin B12 depending on age :

Age	Ideal Vitamin B12 value
<5 years	214.714
5-10 years	218.493
10-15 years	222.338
15-20 years	226.251
20-25 years	230.233
25-30 years	234.285
30-35 years	238.408
35-40 years	242.604
40-45 years	246.874
45-50 years	251.219
50-55 years	255.64
55-60 years	260.139
60-70 years	264.717
70-80 years	269.376
80-90 years	274.117
90-100 years	278.941
>100 years	283.85

*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

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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 range of APTT : 22 - 35 seconds

Ideal values of APTT depending on age :

Age	Ideal APTT value
<5 years	22.387
5-10 years	22.781
10-15 years	23.182
15-20 years	23.59
20-25 years	24.005
25-30 years	24.427
30-35 years	24.857
35-40 years	25.294
40-45 years	25.739
45-50 years	26.192
50-55 years	26.653
55-60 years	27.122
60-70 years	27.599
70-80 years	28.085
80-90 years	28.579
90-100 years	29.082
>100 years	29.594

High Vitamin B12 and low APTT can be caused by a lot of reasons. If you take Vitamin B12 and APTT blood tests and the results are higher than 911 pg/mL for Vitamin B12 and lower than 22 seconds for APTT, your physician may recommend more tests to figure out the problem. You might also get these tests if your physician thinks you have some other disease.

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How the Vitamin B12 and APTT Tests Are Done :

If your doctor wants Vitamin B12 and APTT tests on you, you may need to go through these tests. During the Vitamin B12 and APTT blood tests, a pathologist will put a needle into your veins and take out a small quantity of blood. A pathologist is a physician in the medical field who thoroughly studies the causes and effects of disease. Within a few hours you will get your Vitamin B12 and APTT Test reports by your pathologist.