Anti Saccharomyces Cervisae (ASCA) IgG Antibody, Serum

Anti Saccharomyces Cerevisiae (ASCA) IgG Antibody, Serum

Overview

The Anti Saccharomyces Cerevisiae (ASCA) IgG Antibody test detects IgG antibodies against Saccharomyces cerevisiae (baker’s yeast) in serum. It is primarily used as an aid in the diagnosis and differentiation of inflammatory bowel diseases (IBD), especially Crohn’s disease.

Why This Test is Done

• Helps support the diagnosis of Crohn’s disease
• Assists in differentiating Crohn’s disease from Ulcerative Colitis
• Evaluates patients with chronic gastrointestinal symptoms
• Supports clinical assessment along with endoscopy and other investigations

Symptoms That May Require Testing

• Persistent abdominal pain
• Chronic diarrhea
• Weight loss
• Fatigue
• Blood in stool
• Intestinal inflammation symptoms

Sample Type

• Serum

Method

• Immunoassay / ELISA

Preparation

• No special preparation or fasting required

Benefits

• Early support in IBD evaluation
• Useful in differential diagnosis
• Reliable serological marker for Crohn’s disease assessment
• Helps clinicians plan further investigations and treatment

Reporting Time

• As per laboratory protocol

Note

ASCA IgG results should always be interpreted along with clinical findings, imaging, endoscopy, and other laboratory tests for accurate diagnosis.

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