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HelpTest Code IBDDP Inflammatory Bowel Disease Differentiation Panel
Additional Codes
Epic: LAB12264
Testing Algorithm
If ANCA Screen is positive, then C-ANCA Titer and/or P-ANCA Titer, and/or atypical P-ANCA Titer will be performed at an additional charge (CPT code(s): 86021 for each titer performed).
Specimen Required
Patient Preparation:
Specimen Type: Serum
Collection Container/Type
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 2 mL
Specimen Minimum Volume
1.4 mL
Specimen Stability
Room temperature: 7 days
Refrigerated: 14 days
Frozen: 21 days
Reference Range
| ANCA Screen | Negative |
| P-ANCA Titer | <1:20 |
| C-ANCA Titer | <1:20 |
| Atypical P-ANCA Titer | <1:20 |
Myeloperoxidase Antibody
| <1.0 AI | No antibody detected |
| ≥1.0 AI | Antibody detected |
Proteinase-3 Antibody
| <1.0 AI | No antibody detected |
| ≥1.0 AI | Antibody detected |
Saccharomyces cerevisiae Ab (IgG)
| ≤20.0 U | Negative |
| 20.1-29.9 U | Equivocal |
| ≥30.0 U | Positive |
Saccharomyces cerevisiae Ab (IgA)
| ≤20.0 U | Negative |
| 20.1-24.9 U | Equivocal |
| ≥25.0 U | Positive |
Rejection Due To
Gross hemolysis • Lipemic specimens
Report Available
3-5 days
Clinical Significance
These tests are intended to aid in the diagnosis of Crohn's Disease. A positive P-ANCA aids in the differentiation of patients with ulcerative colitis.
Method Name
Immunoassay (IA)
Performing Laboratory
Quest Diagnostics
Chantilly, VA
Includes
| 8796 | Myeloperoxidase Antibody |
| 10294 | Saccharomyces cerevisiae Antibody (ASCA) (IgG) |
| 10295 | Saccharomyces cerevisiae Antibody (ASCA) (IgA) |
| 34151 | Proteinase-3 Antibody |
| 70171 | ANCA Screen with Reflex to ANCA Titer |
Aliases
IBD Panel
Day(s) Performed
Monday - Saturday, P.M.
CPT
86021 (x3), 86671 (x2)