PredictrPK IFX (GI Patients) to Prometheus


Abbrev Code:XMISC   
Order Code:LAB4909Order Name:Send Outs Misc Test
Synonyms:Inflix; Renflexis; Remicade; Inflectra
Methodology:ELISA
CPT Codes: 84999 x1
Test Includes:Test results include current Infliximab, antibody, and albumin levels, estimated serum Infliximab levels based on current dose and interval, and pharmacokinetic guided doses and intervals.
Turnaround Time:Specimens are sent to the reference laboratory Mon-Fri; results are reported within 4-7 days of receipt.
Special Instructions:For IBD maintenance patients (treated for ≥ 14 continuous weeks) with IFX therapy. A completed requisition must accompany each sample. See Associated Links.
Must include on test requisition:
  • Date of the last/most recent infusion.
  • Total dose of the last infusion provided as total mg.
  • Interval/number of weeks anticipated between the last infusion and the next upcoming infusion.
  • Patient's weight in kg
  • Must arrive at East Core by 4 pm to be shipped on the same day.
Associated Links:

Prometheus Test Requisition



Collection Instructions

Specimen:Blood
Optimal Volume:4 mL
Minimum\Peds Volume:1.2 mL
Container:Red or gold (gel)
Alternate Containers: Red (no gel)
Causes for Rejection:Frozen samples.


Processing and Shipping

Specimen Processing:Allow sample to clot upright for 30 minutes at room temperature. Centrifuge and aliquot 2 mL, 1 mL minimum.
Shipping Instructions:Ship samples overnight at room temperature or refrigerated temperature. Protect from temperature extremes.
Stability:3 days at room temperature or refrigerated.
Test Performed at or Referral Lab Lab Sendouts  (Prometheus Laboratories, Inc.)
Referral Lab number:3400


Interpretive

Reference Range:By report.


Click HERE to Report test errors or omissions.
*If no email program is associated with this computer, please contact:
systemlabguide@fairview.org for TestID: 6959"