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Lactate Dehydrogenase (LD), Peritoneal Fluid
Test Code17588
CPT Codes
83615
Preferred Specimen
1 mL peritoneal fluid collected in sterile transport tube
Minimum Volume
0.5 mL
Transport Temperature
Frozen
Specimen Stability
Room temperature: 24 hours
Refrigerated: 7 days
Frozen: 28 days
Refrigerated: 7 days
Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis
Methodology
Spectrophotometry (SP)
Setup Schedule
Night Sets up 4 days a week.
Report Available
Reports in 2 days.
Clinical Significance
The most reliable tests for differentiating between the transudates and exudates are the simultaneous analysis of peritoneal fluid and serum from lactic dehydrogenase (LD) and total protein levels. The main usefulness in defining serous body fluids as a transudate or exudate is to determine which effusions need further laboratory evaluation.
