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Albumin, Peritoneal Fluid
Test Code17412
CPT Codes
82042
Preferred Specimen
1 mL peritoneal fluid in a sterile transport tube
Minimum Volume
0.5 mL
Instructions
Freeze specimen and ship on dry ice
Transport Temperature
Frozen
Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days
Refrigerated: 7 days
Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis
Methodology
Nephelometry
Setup Schedule
A.M. Sets up 3 days a week.
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.
