84620 Xylose tolerance test
Also known as: xylose tolerance test, xylose absorption test
Functional assay measuring intestinal absorption of D-xylose (a simple sugar) administered orally and quantified in urine or blood to assess small bowel mucosal integrity and nutrient absorption.
In Plain Language
sugar absorption test; intestinal health test
Clinical Context
Evaluates small bowel mucosal disease, malabsorption syndromes, and celiac disease; abnormal absorption suggests mucosal damage or bacterial overgrowth.
RVU Information
CPT 84620 does not have a physician work RVU assigned by CMS. Reimbursement for this code is determined by payer-specific fee schedules.
Billing & Documentation
Lab and pathology codes require an order from the treating provider with clinical indication. For molecular pathology and genetic testing, document the specific analytes tested and clinical rationale.
How This Code Compares
This code has a work RVU of 0.00, meaning it does not have a physician work component assigned by CMS. In the Pathology & Lab category, 94% of codes share this characteristic.
Specialties
Frequently Asked Questions
What is CPT code 84620?
CPT 84620 (Xylose tolerance test) is a Pathology & Lab code. Functional assay measuring intestinal absorption of D-xylose (a simple sugar) administered orally and quantified in urine or blood to assess small bowel mucosal integrity and nutrient absorption.
Who uses CPT code 84620?
CPT 84620 is used by Clinical Pathology, Gastroenterology, Internal Medicine. Evaluates small bowel mucosal disease, malabsorption syndromes, and celiac disease; abnormal absorption suggests mucosal damage or bacterial overgrowth.
When is CPT 84620 used?
Evaluates small bowel mucosal disease, malabsorption syndromes, and celiac disease; abnormal absorption suggests mucosal damage or bacterial overgrowth.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.