Guide to Diagnostic Tests
Vitamin B12
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Test/Range/Collection
Vitamin B12, serum or plasma
170–820 pg/mL
[121–600 pmol/L]
SST, red, green
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Serum vitamin B12 specimens should be frozen if not analyzed immediately.
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Test/Range/Collection
Vitamin B12, serum or plasma
170–820 pg/mL
[121–600 pmol/L]
SST, red, green
$$
Serum vitamin B12 specimens should be frozen if not analyzed immediately.
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