405 EGP
- Test code
- B12
- Sample type
- Blood sample
- Fasting
- No fasting needed
- Result time
- Within 24 hours
- Home sampling
- Available
- Reference range
- 200 – 900 pg/mL
Vitamin B12 comes from meat, eggs and dairy. Deficiency is common in vegetarians, older people and people with diabetes who take metformin for a long time.
It causes anaemia with large red cells, tingling in hands and feet and poor concentration. Treatment is tablets or injections depending on the cause.
Preparation before the test
- Fast at least 8 hours (water only).
- Stop B12 supplements two days before if your doctor agrees.
This information is for awareness only and is not a substitute for medical advice — your treating doctor interprets the result for your case.
