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GENERAL INFORMATION

 

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Mayo Medical Laboratories

Mayo Clinic Laboratories

Test Code LAB67 Vitamin B12, Plasma

Performing Laboratory

Barnes-Jewish Hospital Laboratory

Methodology

Cobas ECLIA electrochemiluminescence

Literature References:

Package insert: Vitamin B12. Roche Corporation 09/2020.
 

Specimen Requirements

Specimen Type: Plasma

Container/Tube: Mint-green top (lithium heparin)

Specimen Volume: Full tube

 

Day(s) Test Set Up

Monday through Sunday

Turnaround Time:
STAT: not available
Routine: results available 2-4 hours of receipt

Test Classification and CPT Coding

82607

Reference Values

230-1250 pg/mL

Literature Reference:

Package insert: Vitamin B12. Roche Corporation 09/2020.

Specimen Transport Temperature

Ambient

Additional Information

For BJH Laboratory Use Only

Alternate Tube(s):

Red top

Dark green top (Li Heparin)

Purple top (K2 & K3 EDTA)
Analyte Stability:

See Analyte Stability Chart under General Information for a complete list.

Laboratory Processing Instructions:

Test performed in BJH Core Lab.  Processed by automated line for delivery to the Cobas 8000. Completed specimens are stored refrigerated for 5 days.

LOINC Code Information

Name LOINC Code
Vitamin B12, Plasma 2132-9