Test ID: ZH333
Component(s): Z8015 Ustekinumab LOINC: 87408-1, Z8016 Anti-Ustekinumab Antibody LOINC: 88992-3
CPT code: 82397, 80299
LOINC:
Specimen Type: Red, SST, plasma EDTA, OR plasma heparin tube
Frequency: 11 – 25 days
Instructions: 3.0 mL Serum or Plasma from Red, SST, EDTA, OR heparin tube, Frozen, Separate within 2 hours. Min 1.0 mL.
Text: Provides ustekinumab drug concentration and anti‐ustekinumab antibodies in order to optimize treatment and facilitate clinical decision‐making. This assay may be helpful in any patients on ustekinumab therapy for Crohn’s disease, psoriasis, or other autoimmune conditions.
Methodology: Electrochemiluminescence Immunoassay (ECLIA)