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Test ID TGLBF Triglycerides, Body Fluid

Useful For

Distinguishing between chylous and nonchylous effusions


Measurement of triglycerides in body fluids as a surrogate for chylomicrons

Method Name


Reporting Name

Triglycerides, BF

Specimen Type

Body Fluid

Ordering Guidance

For help distinguishing between chylous and nonchylous effusions, order BFLA1 / Lipid Analysis, Body Fluid. The body fluid will be tested for cholesterol and triglyceride concentrations and undergo lipoprotein electrophoresis.

Necessary Information

1. Date and time of collection is required.

2. Specimen source is required.

Specimen Required

Preferred Source:

-Peritoneal fluid (peritoneal, abdominal, ascites, paracentesis)

-Pleural fluid (pleural, chest, thoracentesis)

-Drain fluid (drainage, JP drain)

-Pericardial Fluid

Acceptable Source: Write in source name with source location (if appropriate)

Collection Container/Tube: Sterile container

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions:

1. Centrifuge to remove any cellular material and transfer into a plastic vial.

2. Indicate the specimen source and source location on label.

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Body Fluid Frozen (preferred) 30 days
  Refrigerated  7 days
  Ambient  24 hours

Reference Values

An interpretive report will be provided

Day(s) Performed

Monday through Sunday

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
TGLBF Triglycerides, BF 12228-3


Result ID Test Result Name Result LOINC Value
FLD25 Fluid Type: 14725-6
BFTGL Triglycerides (BF) 12228-3

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.

Report Available

Same day/1 to 2 days

NY State Approved