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Test Code LAB973 B-12 Binding Capacity

Additional Codes

VIT B12 BC

Clinical System Name

B-12 Binding Capacity

Sample Requirements

Specimen: Blood

Container(s): Red Top-Plain

Preferred Vol: 2.0 mL

Minimum Vol: 1.0 mL

 

Note: Patient should fast for 12-15 hours prior to collection. Vitamin B12 supplements should not be administered within 72 hours of drawing blood for this test.

Processing Instructions

Reject due to: Plasma.

Spin: Y

Aliquot: Y

Temp: 2 - 4 C

Storage Location: CPA refrigerator, Send Outs rack.

 

Off-site collection: Transfer 1.0 mL serum to a plastic aliquot tube (Min: 0.1 mL). Transport refrigerated to Seattle Children's Main Lab.

Stability

Specimen Type Temperature Time
Serum Room Temp 6 h
  Refrigerated 1 w
  Frozen 1 m

 

Performing Laboratory

ARUP Laboratories

500 Chipeta Way

Salt Lake City, UT 84108-1221

 

Phone Number: (800) 522-2787

Department

Department: Send Outs

Phone Number: (206) 987-2563

Synonyms

B12, B12B; Transcobalamin

Availability

STAT Performed TAT
N M, Th 3 - 7 d

 

Methodology

Method: Quantitative Radioimmunoassay

Analytical Volume: 0.1 mL Serum

Limitations:

CPT Codes

82608

Send Out Instructions

Reference Test Name Vitamin B12 Binding Capacity
Reference Lab Test Code 0070260
Instructions Send out Monday through Friday with the ARUP courier.

 

Reference Ranges

800-2600 pg/mL