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LDH, BODY FLUID
MessageNote: This test code is only for body fluids that aren't CSF, Pleural fluid, or Peritoneal flud.
Test Code
LAB8415 (MISCELLANEOUS)
CPT Codes
83615
Preferred Specimen
1 Green tube (Lithium Heparin)
OR
OR
Patient Preparation
None
Minimum Volume
0.5 mL (1 mL optimal)
Other Acceptable Specimens
Red tube (no clot activator)
Transport Container
Green tube
Transport Temperature
Refrigerate
Specimen Stability
2-8ºC up to 5 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Quantity not sufficient
Methodology
Enzymatic rate
Setup Schedule
M, T, W, Th, F, Sa, Su
As received; STAT testing is available
As received; STAT testing is available
Report Available
Same day tested
Reference Range
Peritoneal Fluid < 63 U/L
Pleural fluid:
Transudate: Pleural fluid LD to serum
LD ratio <= 0.6
Exudate: Pleural fluid LD to serum
LD ratio > 0.6
Method performance specifications have not
been established for this test in pericardial
fluid. The test result should be integrated
into the clinical context for interpretation
Pleural fluid:
Transudate: Pleural fluid LD to serum
LD ratio <= 0.6
Exudate: Pleural fluid LD to serum
LD ratio > 0.6
Method performance specifications have not
been established for this test in pericardial
fluid. The test result should be integrated
into the clinical context for interpretation
Clinical Significance
Lactate dehydrogenase (LDH or LD) is an enzyme that is released from the cells into the bloodstream when cells are damaged or destroyed. The LDH test can be used as a general marker of injury to cells.
Performing Laboratory
Alverno Central Lab
