Abnormal Urine D Xylose Test C5970402
The D-xylose test checks how well the intestines absorb nutrients. Abnormal results may indicate problems with the small intestine's absorption ability. Further testing helps identify the cause.
Key facts at a glance
- ICD-10
- K76.9
- ICD-11
- DA00.0
- Body system
- gastrointestinal
- Severity
- mild
- Chronic
- false
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Abdominal pain or nausea
(gastrointestinal)Mild symptoms that may not significantly impact daily life.
Frequency: Varies
Chronic diarrhea
(gastrointestinal)Abdominal pain
(gastrointestinal)Bloating
(gastrointestinal)Weight loss
(gastrointestinal)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
GI disease management
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
GI Specialist Referral
Referral to gastroenterology for comprehensive evaluation of intestinal absorption dysfunction identified by abnormal D-xylose test results. Endoscopic evaluation may be warranted.
Upper GI Endoscopy with Biopsy
Diagnostic endoscopy allows direct visualization of intestinal mucosa and tissue sampling to identify causes of malabsorption such as celiac disease or bacterial overgrowth.
Additional treatment options
Gluten-Free Diet Trial
If celiac disease is suspected, initiating a strict gluten-free diet may normalize intestinal absorption and D-xylose test results over time.
dietaryPancreatic Enzyme Replacement
For suspected pancreatic insufficiency contributing to malabsorption, pancreatic enzyme supplements may improve nutrient absorption and normalize test results.
medicationAntibiotic Therapy for SIBO
If small intestinal bacterial overgrowth is identified as the cause, targeted antibiotic therapy may restore normal absorption and D-xylose test results.
medicationWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Abnormal Urine D Xylose Test C5970402?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
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This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 26, 2026. · Read our editorial policy