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Epic Test Code LAB67 Vitamin B12

Performing Location(s)

BMC

Synonyms

B12, Cobalamin, True

Specimen Type

Serum

Preferred Container

Gold or Red top

Alternate Container

Green Top Tube

Blood Tube Draw Volume

Min 50% draw volume  

Minimum Volume to Submit for Testing

1 mL Serum or Plasma

  • Multiple test can be performed from this volume. For question please contact the lab at 547-3975.  

Transportation Needs

 Deliver specimen to laboratory within 1 hour of collection if unspun. If not possible see "storage Requirements". 

Storage Requirements

Sample tubes should be centrifuged within 2 hours of collection 

Gold tops are stable in original tubes for 24 hours DO NOT ALIQUOT

Aliquot Red tops

See Causes of Rejection for temperature requirements.

 

Causes for Rejection

Mislabeled or unlabeled specimen
Less than 50% draw for Vacutainer tubes
 >24 hours refrigerated
> 8 hours room temperature
> 24 hours Frozen
Hemolysis > 50 mg/dL HgB
Lipemia > 1800 mg/dL Trig
Bilirubin > 10 mg/dL Bili
EDTA,NaF, Oxalate
TP>9.0 g/dL

Reference Values

Population Units Reference Range
All Populations pg/mL 180-914

 

Days of Analysis

All

Available STAT

No

Additional Information

This test is not available on a STAT basis. If an emergency request is necessary, call 3731 for availability. Pathologist approval may be required.

Methodology

Beckman AU/Dx Series

CPT Code

82607

Last Updated

26-OCT-24 MS