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For COVID-19 testing information, please visit covid.mawdpathology.com
Test Directory
Vitamin B12
Loinc
-
Expected Turnaround
24 hours
Information
Screen and diagnose Vitamin B12 deficiency
Collection Information
Methodology
Electrochemiluminescence-immunoassay (ECLIA)
Limitations
Samples should not be taken from patients receiving therapy with high biotin doses (i.e. > 5 mg/day) until at least 8 hours following the last biotin administration.
Rejection Criteria
Hemolysis
Specimen Stability
Refrigerated: 1 day Frozen: 2 months
Alias
Vitamin B12
Container Type
Serum, gel separator, SST
Minimum Volume
1 ML
Age Range
0 - 999
Sex
Generic
Units of Measure
pg/mL
Reference Range
232 pg/mL - 1245 pg/mL
Panic Range
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