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 in a screw capped plastic vial.
Minimum Volume
0.4 mL
Transport Temperature
Refrigerated
Rejection Criteria
Gross icterus
Stability
Room temperature: 14 days
Refrigerated: 14 days
Frozen: 14 days
Refrigerated: 14 days
Frozen: 14 days
Methodology
Enzyme-linked Immunosorbent Assay (ELISA)
Reference Range
See report
Performing Laboratory
MAYO
New York DOH Approval Status
Yes