Geisinger Medical Laboratories Test Catalog
D-XYLOSE ABSORPTION TEST, URINE |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB2172 Geisinger Epic ID: 19450 | |
SPECIMEN COLLECTION |
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Specimen type: |
5-hour urine | |
Preferred collection container: |
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Specimen required: |
5 mL (minimum 1 mL) of a 5-hour urine collection, post oral ingestion of d-Xylose, collected without preservative, submitted in a plastic, leakproof container and placed into a gray-top fluoride/oxalate tube, room temperature. | |
Special notes: |
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Patient preparation: |
At the start of the test, have the patient empty the bladder completely and discard the urine. Adult patients and children should be kept fasting overnight and during test period (infants are fasted for 4 hours). | |
SPECIMEN PROCESSING |
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Transport temperature: |
Room temperature. | |
Specimen stability: |
Room temperature: 7 days. Refrigerated: 7 days. Frozen: 30 days. | |
Rejection criteria: |
Stability limits exceeded. | |
TEST DETAILS |
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Reference interval: |
25 g dose: 4.1-8.2 g in 5-hr urine 5 g dose: 1.2-2.4 g in 5-hr urine |
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CPT code(s): |
84620 | |
Note: The billing party has sole responsibility for CPT coding. Any questions regarding coding should be directed to the payer being billed. The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only. | ||
Test includes: |
d-Xylose, 5-hour urine. | |
Methodology: |
Spectrophotometric (Colorimetric) |
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Synonyms: |
UDXYL5, Quest test code 11613
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