Methodology
Chemiluminescent Immunoassay
Synonyms
TNF inhibitor; Remsima; Anti-Remsima antibody; Renflexis; Anti-Renflexis antibody; Anti-Remicade antibody; Anti-infliximab antibody; Remicade; Inflectra; infliximab-dyyb; Anti-TNF; TNF blocker
Specimen Type
Serum
Performing Lab
Quest Diagnostics San Juan Capistrano
Epic ID
Other Reference Test
Lab Test Days
Monday, Tuesday, Thursday-Saturday
Standard TAT
3-5 Days
Collection Information
Specimen Required
2-3 ml Blood
Container Type
Red Top (No Additive)
Collection Instructions
Dietary supplements containing biotin may interfere in assays and may skew results to be either falsely high or falsely low. For patients receiving the recommended daily doses of biotin, draw samples at least 8 hours following the last biotin supplementation. For patients on mega-doses of biotin supplements, draw samples at least 72 hours following the last biotin supplementation. Collect immediately before next scheduled dose (trough specimen).
Processing Information - Lab Use Only
Transport Temperature
Refrigerated-OK/ Frozen-OK
Specimen Stability
Room Temp: 48 Hours; Refrigerated: 7 Days (preferred); Frozen: 70 days
Rejection Criteria
Moderate and gross hemolysis
Test Volume Required
0.8 mL Serum
Minimum Test Volume
0.5 mL Serum
CPT Codes
82397, 80230
Revised
7/10/26
Initials
SA