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Test ID: B12
Vitamin B12 Assay, Serum

Secondary ID A test code used for billing and in test definitions created prior to November 2011

9154

Useful For Suggests clinical disorders or settings where the test may be helpful

Investigation of macrocytic anemia

 

Workup of deficiencies seen in megaloblastic anemias

Testing Algorithm Delineates situation(s) when tests are added to the initial order. This includes reflex and additional tests.

See Pernicious Anemia Testing Cascade in Special Instructions.

Special Instructions and Forms Describes specimen collection and preparation information, test algorithms, and other information pertinent to test. Also includes pertinent information and consent forms to be used when requesting a particular test

Method Name A short description of the method used to perform the test

Immunoenzymatic Assay

Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name

Vitamin B12 Assay, S

Aliases Lists additional common names for a test, as an aid in searching

B(12) Assay
B(12) Assay ORDER 9154
B(12) Assay, B12 + Folate
B(12) Assay, B12 + Folate ORDER 9156
B12 Assay
B12 Assay ORDER 9154
B12, Serum
CblC
Cobalamin
Cobalamin ORDER 9154
Cobalamin Cyanocobalamin
Cobalamin Deficiency
Cyanocobalamin
Cyanocobalamin ORDER 9154
Vit B12, S MMLNE only
Vitamin B-12 Assay, Serum
Vitamin B12 and Folate, Serum
Vitamin B12 and Folate, Serum ORDER 9156
Vitamin B12, Serum