USTEKINUMAB QUANTITATION WITH ANTIBODIES, SERUM

Specimen Required
Patient Preparation: Collect immediately before next dose of drug administration.
Draw blood in a plain red-top tube. Centrifuge, separate serum from cells and send 0.5 mL serum (0.4 mL minimum) refrigerated in a screw-capped plastic vial.

Rejection Criteria
Gross hemolysis, Gross lipemia, Gross icterus

Methodology
Enzyme-linked Immunosorbent Assay (ELISA)

Stability
Room temperature: Unacceptable; Refrigerated: 21 days; Frozen: 21 days

Reference Range
See report

Performed
Tuesday, Friday

Turnaround Time3 - 6 days
Test CodeFUKAU
CPT-4 Code (s)
80299 (Ustekinumab); 83520 (Antibody)
LOINC Codes
Ustekinumab   87408-1  
Anti-Ustekinumab Ab   87409-9  

Warde
Medical
Laboratory