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HelpTest Code CSU Chyluria Screen, Random, Urine
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
UrineNecessary Information
Indicate patient's age and sex.
Specimen Required
Patient Preparation: Before specimen collection, the patient should not ingest foods or beverages rich in vitamin C or take vitamin C supplements.
Supplies: Urine Container, 60 mL (T313)
Container/Tube: Plastic, 60-mL urine bottle
Specimen Volume: 15 mL
Collection Instructions: Collect a first-morning, random urine collection.
Specimen Minimum Volume
15 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine | Frozen (preferred) | 10 days |
| Refrigerated | 10 days | |
| Ambient | 4 hours |
Reference Values
No lipoproteins present
Day(s) Performed
Monday through Friday
CPT Code Information
82664-Electrophoretic technique, not elsewhere specified (Chylomicrons and lipoproteins)
84311-Spectrophotometry, analyte not specified (Cholesterol)
84478-Triglycerides
Clinical Information
Chyluria is a medical condition in which chyle is present in the urine. Chyle is a milky substance composed of lymphatic fluid and chylomicrons formed in the small intestine during the digestion of fatty foods. Chyluria is most prevalent in tropical areas where it is caused by parasitic (Wuchereria bancrofti) infections spread by mosquitoes. Parasitic chyluria is so rare as to be nonexistent in the continental United States. Nonparasitic chyluria causes include traumatic lesions, tumors, lymphangioma, pregnancy, and granulomatous infections.
Report Available
2 to 5 daysReject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Method Name
Enzymatic Colorimetric/Electrophoresis/Spectrophotometry (SP)