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Test Code B12CAP Vitamin B12 Binding Capacity

Additional Codes

EMR Interface Order Code: 03775

Reporting Name

Vitamin B12 Binding Capacity

Performing Laboratory

ARUP Laboratories

Specimen Type

Serum


Specimen Required


Draw blood in a plain, red-top tube(s). (Serum gel tube is acceptable.) Spin down and send 1 mL of serum refrigerated in a plastic vial.

 

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.


Specimen Minimum Volume

0.1 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 7 days
  Frozen  30 days
  Ambient  6 hours

Reference Values

800 – 2600 pg/mL

 

Interpretive Information: Vitamin B12 Binding Capacity

This assay measures the unsaturated binding capacity of serum for Vitamin B12.

Day(s) and Time(s) Performed

Monday, Thursday

CPT Code Information

82608

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FVITB Vitamin B12 Binding Capacity 2171-7

 

Result ID Test Result Name Result LOINC Value
Z2657 Vitamin B12 Binding Capacity 2171-7

Reject Due To

Hemolysis

Mild OK; Gross reject

Thawing

Warm reject; Cold OK

Lipemia

NA

Icterus

NA

Other

Plasma

Method Name

Quantitative Radioimmunoassay