Test Details

Mnemonic

FUKAU

Ordering Code

3800208

CPT-4 Code(s)

80299 (Ustekinumab); 83520 (Anti-Ustekinumab Antibody)

Specimen Information

Patient Preparation

Collect immediately before next dose of drug administration.

Collect

Red top

Specimen Preparation

Centrifuge, separate serum from cells and send 0.5 mL serum refrigerated in a screw capped plastic vial.

Minimum Volume

0.4 mL

Transport Temperature

Refrigerated

Rejection Criteria

Gross hemolysis, Gross lipemia, Gross icterus

Stability

Room temperature: 14 days
Refrigerated: 14 days
Frozen: 14 days

Methodology

Enzyme-linked Immunosorbent Assay (ELISA)
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Reference Range

See report
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Performing Laboratory

Mayo Clinic Laboratories
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