Prometheus Crohn's Prognostic




Test Mnemonic

CROHN

CPT Codes

  • 83520 - QTY (5)
  • 81401 - QTY (1)
  • 88346 - QTY (1)
  • 88350 - QTY (1)

Includes

  • ASCA IgA
  • ASCA IgG
  • Anti-OmpC IgA
  • Anti-CBir1 IgG
  • Anti-12
  • pANCA IFA Perinuclear Pattern
  • pANCA DNAse Sensitivity
  • SNP 13 (1007fs)
  • SNP 12 (G908R)
  • SNP 8 (R702W)

Performing Laboratory

Prometheus


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
2 mLSerumSST (Gold) RefrigeratedTHIS ASSAY REQUIRES MULTIPLE SPECIMEN TYPES.
2 mLWhole bloodEDTA (Lavender) RefrigeratedTHIS ASSAY REQUIRES MULTIPLE SPECIMEN TYPES.

Alternate Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
2 mLSerumNo additive (Red) RefrigeratedTHIS ASSAY REQUIRES MULTIPLE SPECIMEN TYPES.
2 mLWhole bloodEDTA (Lavender) RefrigeratedTHIS ASSAY REQUIRES MULTIPLE SPECIMEN TYPES.

Stability

Environmental Condition Description
Ambient7 days
Refrigerated7 days
FrozenUnacceptable

Days Performed

Tue - Thu

Turnaround Time

6 - 9 days

Methodology

Name Description
Enzyme-Linked Immunosorbent Assay (ELISA) 
Polymerase Chain Reaction (PCR) 
Indirect Immunofluorescence Assay (IFA)  

Reference Range

Anti-12
Sex Age From Age To Type Range Range Unit
       Normal< 368EU/mL
Anti-CBir1
Sex Age From Age To Type Range Range Unit
       Normal< 78.4EU/mL
Anti-OmpC IgA
Sex Age From Age To Type Range Range Unit
       Normal< 10.9EU/mL
ASCA IgA
Sex Age From Age To Type Range Range Unit
       Normal< 8.5EU/mL
ASCA IgG
Sex Age From Age To Type Range Range Unit
       Normal< 17.8EU/mL

Special Info

THIS ASSAY REQUIRES MULTIPLE SPECIMEN TYPES.

Clinical Info

n/a

Clinical Limitation

n/a

Clinical Reference

n/a