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SIM
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LAB67
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CPT
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82607
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Synonyms
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Vitamin B12
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Specimen Type
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Serum (preferred)
Lithium heparin plasma
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Container
|
Gold-top serum separator (preferred)
Green Lithium Heparin
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|
Collection Instructions
|
None
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Volume
|
2 ml serum, minimum 0.5 ml
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Additional Information
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Patient Preparation
|
None
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Specimen Processing Instructions
|
Serum: Allow to clot. Centrifuge at 3380 rpm's (±100) for a minimum of 10 minutes. Centrifuge within 2 hours of collection.
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Transport Requirements
|
Refrigerated
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Specimen Stability
|
Room temperature: 8hours Refrigerated: 1 day
|
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Rejection Criteria
|
If not centrifuged within 2 hours of collection.
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|
Reference Range
|
180-914 pg/ml
|
|
Critical Value
|
None
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Test Includes
|
B12
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|
Methodology
|
Chemiluminescent technology
|
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Testing Frequency
|
Daily, Monday - Sunday
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Reviewed By
|
Summer Brochu
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Reviewed Date
|
9/14/22
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|
Supplemental
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Reviewed by Summer Brochu 12/14/2021
