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Pleural fluid

Alias: N/A

Discipline: Cytopathology

Test information: Fluid is drained from the pleural cavity during thoracentesis. A minimum of 75mls is required for reliable assessment of malignancy.

Specimen Type(s)
  • Pleural fluid;
Other Acceptable Specimen Type(s)
Sterile universal. Ensure sample vial is labelled with specimen site / type.
Specimen Container - Adult
  • Plain Universal;
Specimen Container - Paediatric
  • Plain Universal;
  • N/A;
Part of a test profile?
Volume (min) of sample to be sent to laboratory
Patient Preparation, Sample Handling and Transport
These samples must be sent to the laboratory ASAP to prevent DNA degradation which may preclude molecular testing if required.
Syringes and 24-hour urine collection bottles are not appropriate specimen containers.
Sample vials must be placed into a clear sealed specimen bag prior to sending to the laboratory accompanied with a completed request form.
The sample must be transported to the department via the specimen tube or using the red designated Pathology transport boxes via the porters. These boxes will contain any spillage, and ensure data on samples is kept confidential.
Specimens should never be placed in pockets, handbags etc.
Maximum add on time
Units and Reference Ranges / Interpretation
Interpretative comments
UKAS number
UKAS accredited test?

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Last updated: 03-05-2024