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Albumin, Pleural Fluid : 17413
Test CodeALPLAU or 17413
CPT Codes
82042
Instructions
Freeze specimen and ship on dry ice.
Transport Container
.Preferred Specimen
1 mL pleural fluid
Minimum Volume
0.5 mL
1 mL pleural fluid
Minimum Volume
0.5 mL
Transport Temperature
Frozen.
Specimen Stability
Room temperature: 7 days; Refrigerated: 7 days; Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis
Methodology
Spectrophotometry
Setup Schedule
Sunday - Saturday
Report Available
1 day
Reference Range
A gradient value of >1.2 g/dL is seen in transudates.
A gradient value of ≤1.2 g/dL is seen in exudates.
A gradient value of ≤1.2 g/dL is seen in exudates.
Clinical Significance
The serous cavities surrounding the abdomen, heart and lungs will accumulate fluids, called effusions, when their production or resorption is not in balance. The serum-effusion albumin gradient is used to classify whether an effusion is a transudate or an exudate.
Performing Laboratory
med fusion
