Xylose absorption test (Adult) (DISCONTINUED) | KK Women's and Children's Hospital

Specimen Container	Wide mouth sterile container
Specimen Requirement	Urine 4 mL
Orderable as Urgent?	No
Turn Around Time	Average: 4 hrs ( 3 - 5 hrs )
Testing Laboratory Location	SGH
Laboratory	Biochemistry
Contact Number	6394 1352
Day and Time Performed	Mon – Fri: 0800 hrs– 1700 hrs Sat: 0800 hrs – 1230 hrs
Orderable on CPOE?	Yes
Downtime Form	Document Title
Additional Information	1) Fast patient overnight 2) At 7am, empty bladder and discard urine. Give oral dose of 5g d(+) xylose in about 250mL water. 3) Withhold food intake but encourage fluid intake. 4) Collect urine (7-9am) Label this "Specimen 1" 5) Collect urine (9-12pm) Label this "Specimen 2" 6) Send both urine specimens to the laboratory. BC0360U

Change History Notes

Last Updated - 27 Jun 2025