Infliximab/HACA Measurement
Order Code: HACA
Epic Lab Code: LAB3417
Order Form: A-1a Miscellaneous Request or Epic Req
Commercial Mail-out Laboratory
6240 RCP
356-3527
Specimen:
Serum
Collection Medium:
Red top tube
Minimum:
Adult Minimum: 2 mL serum Pediatric Minimum: 0.50 mL serum
Delivery Instructions:
Deliver to laboratory immediately after collection.
Analytic Time:
7 working days upon receipt at reference laboratory
Reference Range:
Assay: HACA Serum Infliximab Measurement: <1.40 mcg/mL Human Anti-Chimeric Antibody (HACA): <1.69 mcg/mL equivalents
Interpretive Data:
Serum infliximab concentrations may vary among equally dosed patients. Measuring serum infliximab levels can aid physicians in determining the dose of infliximab and guide infusion intervals. The HACA portion of the test detects Human Anti-Chimeric Antibodies (antibodies against infliximab). Patients that develop HACA may experience infusion reactions and/or a reduced duration of efficacy of infliximab.
CPT Code:
83520(x2)
 
See Additional Information:
Specimens Requiring Immediate Delivery