Is Vitamin B12 166 low, normal or dangerous? What does Vitamin B12 level 166 mean?

Your Vitamin B12 level of 166 is a Low Vitamin B12 level.

Low Vitamin B12 levels could indicate health issues. Typically, levels between 211 pg/mL to 911 pg/mL suggest no concerns. However, deviations from this range warrant prompt medical attention. Consulting a doctor for abnormal levels is advisable.

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

Ideal values of Vitamin B12 depending on age (male) :

Age	Ideal Vitamin B12 value
<5 years	214.503
5-10 years	218.064
10-15 years	221.684
15-20 years	225.364
20-25 years	229.105
25-30 years	232.908
30-35 years	236.774
35-40 years	240.704
40-45 years	244.7
45-50 years	248.762
50-55 years	252.891
55-60 years	257.089
60-70 years	261.357
70-80 years	265.696
80-90 years	270.107
90-100 years	274.591
>100 years	279.149

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

Get Advice via Email : Send us your blood test report, and our Vitamin B12 experts will check it. Within 12 hours, expect a detailed analysis and precise treatment guidance delivered to your email. If you've had additional blood tests apart from Vitamin B12, please upload those too. A thorough diagnosis often relies on assessing all abnormalities for an accurate assessment. Upload blood test report now

1,37,160

Total number of patients treated

A video message on the treatment of your low Vitamin B12 level

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

Some examples of conditions that increase or decrease Vitamin B12 levels include:

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

Receive world-class medical opinion about your low Vitamin B12 levels over email.Upload blood test report now

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

Ideal values of Vitamin B12 depending on age (female) :

Age	Ideal Vitamin B12 value
<5 years	214.608
5-10 years	218.277
10-15 years	222.009
15-20 years	225.805
20-25 years	229.666
25-30 years	233.593
30-35 years	237.587
35-40 years	241.649
40-45 years	245.781
45-50 years	249.983
50-55 years	254.257
55-60 years	258.604
60-70 years	263.026
70-80 years	267.523
80-90 years	272.097
90-100 years	276.749
>100 years	281.481

If you take a Vitamin B12 blood test and the results are not in the normal range (211-911 pg/mL), your physician may recommend more tests to figure out the problem. You might also get this test if your physician thinks you have some other disease.

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How the Vitamin B12 Test Is Done :

When your doctor recommends a Vitamin B12 test, you'll likely undergo a simple blood draw specifically targeting the measurement of Vitamin B12. A pathologist, a specialist in studying diseases, will collect a small blood sample from your veins using a needle. Your Vitamin B12 test results will typically be available within a few hours after this procedure.