Therapeutic Drug Monitoring

Anser® Ordering Logistics
Ordering Anser is simple. The first step is to download the current test requisition and fill it out completely for your patient.
Why use therapeutic drug monitoring during the transition from IV- to SC-IFX?
- Gain important data to help optimize your patient’s treatment journey
- Before switching, assess IV‑IFX trough concentrations and antibodies to evaluate response and stability
- Post-transition to SC-IFX, confirm adequate exposure and establish an IFX-SC baseline
- Consider therapeutic adjustments in conjunction with clinical presentation for durable drug response

Specimen Collection & Shipping Instructions
Please see the back of the test requisition for more information.
| Turnaround Time: | 3 business days from date of receipt |
| Transport Requirements: | Ambient or refrigerated cold pack (do not freeze) |
| Specimen Type & Volume: | 2.0 mL serum |
| Specimen Collection Tube: | SST or Red Top Tube |
| Specimen Stability: | 14 days room temperature or 14 days refrigerated |
Anser is part of the Prometheus continuum of care for IBD patients
Anser tests are laboratory-developed tests that were developed, and analytically and clinically validated by Prometheus Laboratories Inc. under federal Clinical Laboratory Improvement Amendments (CLIA) guidelines, and are performed exclusively in our high complexity CLIA-certified (05D0917432) and College of American Pathologists-accredited (6805501) clinical laboratory. As laboratory a developed tests, they have not been cleared or approved by the US FDA. These tests may be covered by one or more US pending or issued patents – see prometheuslabs.com/patents. This material is provided for general information purposes only as an educational service for healthcare physicians and their patients. It is not intended as a substitute for medical advice and/or consultation with a physician.



