Deficiencies can occur when you don’t get enough B-12 from your diet or when your body can’t use it properly. Typically, vitamin B-12 deficiencies can be detected through the vitamin B-12 test.
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What to Know About a Uric Acid Test

A uric acid test measures the amount of uric acid in your blood or urine to detect hyperuricemia. A uric acid test can help ...