Crohn's Prognostic


Sunquest Code:CRNPRG  
Epic Code:LAB5688Epic Name:Crohns Prognostic
Methodology:ELISA; IFA
Test Includes:Serologic and genetic markers for Crohn's disease.
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 4-7 days.
Special Instructions:Send both serum and whole blood (EDTA). A signed informed consent in the patient's medical record is required; the consent should not be sent to the laboratory. The link to the Genetic Testing Consent Form is provided as a convenience for the providers and genetic counselors.
Compliance:

Prometheus Laboratories Inc. is CLIA certified and accredited by the College of American Pathologists. This test was developed and its performance characteristics determined by Prometheus Laboratories Inc. It has not been cleared or approved by the U.S. Food and Drug Administration.

Associated Links:

Genetic Testing Consent Form



Collection Instructions

Specimen:Blood
Optimal Volume:4.2 mL in red or gold (gel) and 2 mL purple (EDTA)
Container:Purple (EDTA), Red or gold (gel) (Red (no gel) & purple (EDTA))
Collection Instructions:Collect both serum and 2 mL whole blood (EDTA)


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 2 mL serum. Store serum and 2 mL whole blood (EDTA) in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:7 days refrigerated or room temperature.
Test Performed at or Referral Lab Lab Sendouts  (Prometheus Laboratories, Inc.)
Referral Lab number:2001


Interpretive

Reference Range:
o ASCA IgA ELISA <9.2 EU/mL
o ASCA IgG ELISA <11.9 EU/mL
o Anti-OmpCa IgA ELISA <11.3 EU/mL
o Anti-CBir1a ELISA <35.4 EU/mL
o Anti-I2 ELISA <368 EU/mL
o IFA Perinuclear Pattern Not detected
o DNase Sensitivity Not detected
o R702W [C2104T] No mutation detected
o G908R [G2722C] No mutation detected
o L1007fs [3020insC] No mutation detected
   
Use:Analysis of both serologic (anti-Cbirl, Anti-OmpC, Anti-I2, DNAse snesitive pANCA) and genetic (NOD2 variants SNPs 8, 12, 13) markers after diagnosis in patients with Crohn's disease (CD).


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