Test Category: Biochemistry
Investigation Name:Vitamin B12 (Active Form)

Alias or Abbreviation:B12
Pathology Laboratory:Clinical Chemistry/ Biochemistry
Requestable Seperately?No
Part of Profile:Yes - VIT1 VIT2
Tests in Profile:B12, folate ,ferritin
Units:pmol/L
Minimum Sample Volume:Adult: 1 mL ; Infant: 0.5 mL
Expected Turnaround Time:Inpatients: 4 hrs. Outpatients: 1 day (from receipt)
Test Code:B12
Sample Type:
Serum Gel Tube (Gold top)Maximum Add on Time:3 days
Complex Reference Range:Deficient: < 25 pmol/L
Indeterminate: 25 - 50 pmol/L
Normal: > 50 pmol/L
Collection Conditions / Other Information:Minimal retest interval of 3 months.
Referred to Another Laboratory?No
Site Sample Tested:All acute sites
Contact Number:01902 307 999 Ext 88266