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Alias Names: Chimeric
Methodology: Enzyme-Linked Immunosorbent Assay (ELISA)
Edit Date: 7/21/2010
Components: Human Anti-Chimeric Antibody (HACA), Infliximab-specific ELISA / Serum Infliximab Level, anti-TNF
Performed: As received
Released: 8 days after setup at PeaceHealth Laboratories’ reference lab
CPT Code: 83520-90 x2
Specimen Collection Details
Collection: One 7.5 mL serum separator tube (SST).
Handling: Allow to clot, centrifuge and separate serum from cells into a plastic vial.
Stability: 7 days ambient or 7 days refrigerated. Unstable frozen.
Standard Volume: 2 mL serum
Minimum Volume: 2 mL serum
Transport: Refrigerated.
Comments: HACA assessment provides a quantitative serum analysis for the presence of Human anti-Chimeric Antibodies. HACA is the antibody that interacts with the antigen created by infliximab.

Reference Range:
Serum infliximab >1.4 µg/mL
HACA PMT activity >1.69 µg/mL

PeaceHealth Laboratories