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HelpTest Code FCZAC Certolizumab and Anti-Certolizumab Antibody, DoseASSURE CTZ
Specimen Required
Specimen Type: Serum
Container/Tube: Red or SST
Specimen Volume: 2 mL
Collection Instructions: Draw blood in a plain red-top tube(s), serum gel tube(s) is acceptable. Spin down and send 2 mL of serum frozen in a plastic vial.
To avoid delays in turnaround time when requesting multiple tests, please submit separate frozen specimens for each test requested.
Useful For
Provides certolizumab drug concentration and anti-certolizumab antibodies in order to optimize treatment and facilitate clinical decision-making.
This assay may be helpful in any patient on certolizumab therapy for Crohn's disease, psoriasis, or other autoimmune condition.
Method Name
Electrochemiluminescence immunoassay (ECLIA); Surface Plasmon Resonance
Reporting Name
Certolizumab and Anti-Certo AbSpecimen Type
SerumSpecimen Minimum Volume
0.60 mL (Note: This volume does not allow for repeat testing.)
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Frozen (preferred) | 14 days | |
| Refrigerated | 14 days |
Reject Due To
| Gross hemolysis | Gross reject; Mild OK |
| Gross lipemia | Reject |
| Gross icterus | NA |
| Other/Tissue/Swab | Specimens other than indicated |
Reference Values
Certolizumab:
Quantitation Limit: <1.0 ug/mL
Results of 1 ug/mL or higher indicate detection of certolizumab
Anti-Certolizumab Antibody:
Quantitation Limit: <40 ng/mL
Results of 40 ng/mL or higher indicate detection of anti-certolizumab pegol antibodies.
Performing Laboratory
Esoterix EndocrinologyCPT Code Information
80299
82397
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FCZAC | Certolizumab and Anti-Certo Ab | Not Provided |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| Z5637 | Certolizumab | 87404-0 |
| Z5638 | Anti-Certolizumab Antibody | 87405-7 |
Day(s) Performed
Tuesday