Precision-Guided Therapy Selection

Respondr TNF logo

Respondr® Ordering Logistics

Ordering Respondr is simple. The first step is to download the current test requisition and fill it out completely for your patient.

Precision-Guided Care Test Requisition Thumbnail

Download Test Requisition

Scheduling a blood draw

  1. Follow the procedures your office has in place for referring patients to have their blood drawn for Prometheus testing.
  2. If you don’t have a process in place, advise your patient to call Prometheus Client Services at 888-423-5227, Monday through Friday, 6:00 am – 4:30 pm Pacific Time, to find a designated blood draw site in their area, if available.
  3. If there is not a draw site in the area, mobile phlebotomy may be available. Advise your patient to call 888-423-5227, option 5 to schedule a mobile draw, or an appointment can be scheduled online by clicking here. For questions about the scheduling process, please contact Prometheus Client Services for assistance.
  4. Important: Provide your patient with a fully completed test requisition and a copy of the front and back of their insurance card(s). Please remind them to give these items to the lab or mobile phlebotomist when their sample is collected.

Specimen Collection & Shipping Instructions

Please see the back of the test requisition for more information.

Turnaround Time: 4 business days from date of receipt
Transport Requirements: Ambient or refrigerated cold pack (do not freeze)
Specimen Type & Volume: 3.0 mL whole blood
Specimen Collection Tube: EDTA / Lavender Top Tube
Storage / Stability: 10 days ambient / 30 days refrigerated

Respondr is part of the Prometheus continuum of care for IBD patients

IBD Precis - Identify, differentiate and risk stratisfy IBD phenotype
Respondr TNF - Indicate likelihood of response and stratify risk
Anser - Therapeutic drug monitoring for IFX, ADA, RZB, VDZ and UST

Respondr TNF is a laboratory-developed test that was developed, and analytically and clinically validated by Prometheus Laboratories Inc. under federal Clinical Laboratory Improvement Amendments (CLIA) guidelines, and is performed exclusively in our high complexity CLIA-certified (05D0917432) and College of American Pathologists-accredited (6805501) clinical laboratory. As laboratory a developed test, it has not been cleared or approved by the US FDA. This test 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.