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The University of Chicago Medicine Laboratories

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Specimen Collection and Handling

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Mayo Clinic Laboratories

Test Code FSABI Tysabri (Natalizumab) Immunogenicity


Specimen Required


Collection Container/Tube:

Preferred: Red Top

Acceptable: Serum gel

Submission Container/tube: Plastic vial

Specimen Volume: 1.0 mL

Collection Instructions:

1. Draw blood in a plain red-top tube(s), serum gel tube(s) is acceptable.

2. Centrifuge and aliquot 1.0 mL of serum into a plastic vial.

3 Send frozen.


Method Name

Enzyme Linked Immunosorbent Assay (ELISA)

Specimen Type

Serum

Specimen Minimum Volume

See Specimen Required

Specimen Stability Information

Specimen Type Temperature Time
Serum Frozen (preferred)
  Refrigerated  14 days

Reject Due To

Hemolysis Reject
Lipemia Reject
Icterus Reject

Reference Values

Negative

Day(s) Performed

Wednesday

Report Available

7 to 14 days

Performing Laboratory

Eurofins Viracor

CPT Code Information

83516