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UW Health SMPH
American Family Children's Hospital

UW Hospital and Clinics Lab Test Directory

Test Name: Chylomicrons, Body Fluid

Test Code(s): BCHYL / HCBCHYL

CPT Code(s): 84311, 84478

Methodology: See individual tests.

Days Performed: Daily, 24 hours.

Turnaround Time: Stat: Not available stat.
Routine: 4 hours.

Specimen Requirements

Specimen: Body fluid

Collection Instructions: Indicate source of body fluid.

Collection Container: Preferred: Sterile screw cap container

Collection Volume: Preferred: 0.5 mL
Pediatrics: 0.3 mL

Sample Analyzed: Body fluid aliquot

Volume Required: Preferred: 0.5 mL
Pediatrics: 0.3 mL

Specimen Transport: Transport specimen to UWHC Core Laboratory (B4/220). Transport with coolant pack if coming from outreach location.

Stability: Ambient: 24 hours
Refrigerated: 4 days
Frozen: 1 year


Interpretive Guidelines:

Indicative of Chylous Effusion:

     Age 0 days and up:

     Chylomicrons Present

     Triglycerides above serum level and/or > 110 mg/dL

     Cholesterol less than or equal to serum level

     Cholesterol/Triglycerides ratio < 1


Note: A Chol/Trig ratio of >1 suggests specimen contamination with plasma.

Additional Information:

This test was performed using a modification of an FDA approved method.  The performance characteristics of this test were determined by the UWHC Clinical Laboratories and meet the standards for clinical testing.

Chylo Thorax Body Fluid Chylomicrons Chylous Effusion

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