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Miscellaneous Triglyceride
Test CodeCPT Codes
84478
Preferred Specimen
Body fluid specimen, including but not limited to: Cerebrospinal Fluid, pleural fluid, pericardial fluid, peritoneal fluid, or synovial fluid. Note fluid type in order comments or on patient specimen label.
Minimum Volume
Instructions
Collect body fluid in a body fluid collection bag or other sterile container and transport to lab. Refrigerate if transport will be delayed. Note fluid type in order comments or on patient specimen label.
This test is for Triglyceride measurement on Body Fluids. For Triglyceride measurement on Plasma or Serum, order TRIG.
Transport Container
Body fluid collection bag or sterile container
Transport Temperature
Specimen Stability
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Methodology
Colorimetric
Setup Schedule
Daily upon receipt
Report Available
Limitations
Clinical Significance
This test can be useful in distinguishing between chylous and nonchylous effusions, determining if bleeding has occurred in a body fluid, and identifying iatrogenic effusions.
The presence of a chylous effusion, which results from lymphatic drainage into a body cavity, can be determined by identifying triglycerides and chylomicrons in the fluid.
Catheter-related iatrogenic effusions can be identified by determining the presence of intravenous solution constituents in the fluid.
Triglyceride concentration > 110 mg/dL is highly suggestive of a chylous effusion.