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Laboratory Information

Test Name

Vitamin B12

External Price (excl. GST)

5.25

Specimen Collection

Adult Specimen

Heparin (light green), SST(gold)"T-" labs SST (gold)

Paediatric Specimen

0.4ml Heparin (light green) or plain(red). Rural Waikato Labs 0.3 ml Plain (red)

Test Information

Department

Biochemistry

Test Availability

Mon - Sun, 24hrs

Laboratory Turnaround Time

3hrs

Method

Cobas Pro ECLIA

Unit of measurement

pmol/L

Reference interval

Normal: 170 - 800 pmol/L
Borderline: 110 - 170 pmol/L

Uncertainty of measurement

Diagnostic Use Or Instructions

Laboratory Testing Guidelines:

Do not do B12 and folate unless there is a suspicion of deficiency or malabsorption, for example peripheral neuropathy or macrocytic anaemia, or in unexplained dementia

Minimum Volume

0.2 mL heparin plasma or serum

Electronic Information

Registration Code

VITB12

HL7 mapping code

$VITB12

LOINC Code

14685-2

Laboratory Test Reference Guide