Peritoneal Fluid Analysis
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Ascites fluid analysis.
To evaluate and classify the type of fluid within the peritoneal cavity to assist with diagnosis of cancer, infection, necrosis, and perforation.
Peritoneal fluid collected in a red- or green-top (heparin) tube for amylase, glucose, and alkaline phosphatase; lavender-top (EDTA) tube for cell count; sterile containers for microbiology specimens; fluid in a clear container with anticoagulant for cytology. Ensure that there is an equal amount of fixative and fluid in the container for cytology.
(Method: Spectrophotometry for glucose, amylase, and alkaline phosphatase; automated or manual cell count, macroscopic examination of cultured organisms, and microscopic examination of specimen for microbiology and cytology; microscopic examination of cultured microorganisms)
|Peritoneal Fluid||Reference Value|
|Amylase||Parallels serum values|
|Alkaline phosphatase||Parallels serum values|
|CEA||Parallels serum values|
|Glucose||Parallels serum values|
|Red blood cell count||None seen|
|White blood cell count||Less than 300 cells/microL|
|Acid-fast stain||No organisms seen|
|Gram stain||No organisms seen|
|Cytology||No abnormal cells seen|