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Calprotectin
Quest Diagnostics1 test optionFrom $318.00
Calprotectin
Quest DiagnosticsCatalog information reviewed: August 24, 2026 by the Sunridge Medical clinical team.
What this laboratory test evaluates
DetailsCalprotectin, Stool – This test measures the level of calprotectin, a protein found in white blood cells, in your stool. High levels of calprotectin indicate inflammation in the intestines, which can help diagnose conditions like inflammatory bowel disease (IBD), including Crohn's disease and ulcerative colitis, as well as distinguish these conditions from irritable bowel syndrome (IBS).
What patients is this test right for?This test may be recommended for individuals experiencing symptoms of bowel inflammation, such as: • Abdominal pain
• Bloody diarrhea
• Weight loss
• Unexplained fatigue
What type of sample is required for this test?3 grams of solid stool. The sample should be collected in a Quest standard stool container without preservative or a clean, leak-proof plastic screw-cap container without preservative.
Test ResourcesFor more information, consult your healthcare provider or visit reputable medical websites.
Additional test information
This test may be recommended for individuals experiencing symptoms of bowel inflammation, such as abdominal pain, bloody diarrhea, weight loss, and unexplained fatigue.
Collection and processing
- Sample type: Stool
- Fasting: No
- Estimated laboratory processing: Results should be available in 2 – 5 business days after the sample is collected
How Sunridge uses laboratory information
Sunridge considers the medical question, symptoms, history, medications, prior results, and whether the finding could change care before recommending testing. A laboratory result is not interpreted in isolation and does not establish a diagnosis by itself.
Before requesting this test
Availability, collection requirements, eligibility, and processing estimates can change. Sunridge reviews each request and, when appropriate, creates the order through Fullscript. Follow the current instructions supplied with the approved order.
Related Sunridge care
Learn how Sunridge approaches Digestive Conditions and ask whether this test is appropriate for your clinical question.
Common questions about this laboratory test
- What sample does this test require?
- The listed sample type is Stool. Confirm current collection instructions in the approved order.
- Does this test require fasting?
- The current catalog record lists fasting as: No. Follow the instructions supplied with the approved order.
- How long does laboratory processing usually take?
- Results should be available in 2 – 5 business days after the sample is collected. Timing can change after collection or if a laboratory requires additional review.
About this test
DetailsCalprotectin, Stool - This test measures the level of calprotectin, a protein found in white blood cells, in your stool. High levels of calprotectin indicate inflammation in the intestines, which can help diagnose conditions like inflammatory bowel disease (IBD), including Crohn's disease and ulcerative colitis, as well as distinguish these conditions from irritable bowel syndrome (IBS).
What patients is this test right for?This test may be recommended for individuals experiencing symptoms of bowel inflammation, such as: • Abdominal pain
• Bloody diarrhea
• Weight loss
• Unexplained fatigue
What type of sample is required for this test?3 grams of solid stool. The sample should be collected in a Quest standard stool container without preservative or a clean, leak-proof plastic screw-cap container without preservative.
Test ResourcesFor more information, consult your healthcare provider or visit reputable medical websites.
Additional details
This test may be recommended for individuals experiencing symptoms of bowel inflammation, such as abdominal pain, bloody diarrhea, weight loss, and unexplained fatigue.
Highlighted health areas
- Gastrointestinal
- Tumor markers
Biomarkers and report focus
The exact analytes and report format can change. Confirm the current contents in the Fullscript order before payment.
- Calprotectin, Stool