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Test Code CSU Chyluria Screen, Random, Urine

Reporting Name

Chyluria Screen, Random, U

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Useful For

Aiding in the diagnosis of chyluria (galacturia)

Method Name

Enzymatic Colorimetric/Electrophoresis/Spectrophotometry (SP)


Necessary 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 Type

Urine

Specimen Minimum Volume

15 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Urine Frozen (preferred) 10 days
  Refrigerated  10 days
  Ambient  4 hours

Reject Due To

  All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Reference Values

No lipoproteins present

Interpretation

This assay provides information regarding the fat content in urine fluid. Urinary cholesterol and triglyceride values are normally less than 10 mg/dL. High triglyceride levels in urine may indicate chyluria.

Day(s) Performed

Monday through Friday

Report Available

2 to 5 days

Test Classification

This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

82664-Electrophoretic technique, not elsewhere specified (Chylomicrons and lipoproteins)

84311-Spectrophotometry, analyte not specified (Cholesterol)

84478-Triglycerides

LOINC Code Information

Test ID Test Order Name Order LOINC Value
CSU Chyluria Screen, Random, U 95808-2

 

Result ID Test Result Name Result LOINC Value
CHOLU Cholesterol, Random, U 14444-4
TRIGU Triglycerides, Random, U 14450-1
CMTCS Interpretive Comment 95807-4