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Test Directory » Saccharomyces cerevisiae Antibodies (ASCA) (IgG, IgA)

Test Directory Saccharomyces cerevisiae Antibodies (ASCA) (IgG, IgA)

Saccharomyces cerevisiae Antibodies (ASCA) (IgG, IgA)

Order Code: SACCAB

Test Summary

Antibodies to Saccharomyces cerevisiae are found in approximately 75% of patients with Crohn's disease, 15% of patients with ulcerative colitis, and 5% of the healthy population. High titers of antibody increase the likelihood of disease, specifically Crohn's disease, and are associated with more aggressive disease.

Aliases

Specimen Collection

Special Instructions

N/A

Preferred Specimen

2 mL serum

Minimum Volume

0.6 mL

Instructions

N/A

Patient Preparation

N/A

Storage

N/A

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 14 days
Refrigerated: 21 days
Frozen: 21 days

Limitations

N/A

Other Acceptable Specimens

N/A

Unacceptable Specimens

Gross hemolysis • Lipemia

Order Code

SACCAB

EPIC (Premier) Code

LAB1329

Includes

N/A

CPT Code

86671 (x2)

Billing Code

670885

CPT Statement

Methodology

Immunoassay (IA)

FDA Status

FDA Approved

Physician Attestation of Informed Consent

N/A

Testing Laboratory

Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly VA, 20153

Department

Reference Testing

Reference Range

Saccharomyces cerevisiae Ab (ASCA) (IgG)

≤20.0 U	Negative
20.1-29.9 U	Equivocal
≥30.0 U	Positive

Saccharomyces cerevisiae Ab (ASCA) (IgA)

≤20.0 U	Negative
20.1-24.9 U	Equivocal
≥25.0 U	Positive

Setup Schedule / Expected Turnaround Time

Tuesday - Saturday morning; Report available: 1 day