Yale New Haven Hospital

Department of Laboratory Medicine
Test Directory

[ Test Name Index ]

[ Home & References ]

Vitamin B12

Lab Section: 

Chemistry

 

Lab Location: 

Main Lab

Test ID: 

LAB67

 

Methodology: 

Chemiluminescent Immunoassay

Schedule: 

Monday-Friday cut off 2 PM

Reported: 

1 hour for STAT orders; 4 hours for Routine orders

Specimen Requirements: 

Collection: 2.0 mL Primary Gold Top; Dark Green Top Tube accepted.
Light Green Top Tube - Lithium Heparin also acceptable.
Pediatric volume: 0.5 mL.
Unacceptable conditions: Moderate hemolysis
Stability: After separation from cells and refrigerated, 7 days

 

Notes: 

Clinical Indications: For pernicious anemia, unexplained Neurologic disorders

Reference Interval: 

180 - 914 pg/mL

CPT Code(s): 

82607

Last Changed: 

8/25/2017 8:34 AM

Last Reviewed: 

8/25/2017 8:34 AM