Vitamin B12 is a topic covered in the Guide to Diagnostic Tests.

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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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Citation

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TY - ELEC T1 - Vitamin B12 ID - 619067 A1 - Lu,Chuanyi Mark, AU - McPhee,Stephen J, AU - Nicoll,Diana, BT - Guide to Diagnostic Tests UR - https://emergency.unboundmedicine.com/emergency/view/GDT/619067/all/Vitamin_B12 PB - McGraw-Hill Education ET - 7 DB - Emergency Central DP - Unbound Medicine ER -