Specimen Requirements

Title

Cell Count, Serous Fluid

Specimen Requirement

Collect 1-2 mL serous fluid into a lavender EDTA and send refrigerated same day due to short stability.

Methodology

Microscopic and macroscopic examination

Stability

Room temp: Unacceptable, Refrigerated: 48 hours, Frozen: Unacceptable

Reference Range

The reference range is determined by the performing laboratory and will show on the report.

Turnaround

1-2 days

Clinical Use

Evaluate serous fluid for the presence of RBCs (semiquantitative), WBCs, differential, and for physical appearance.

See test code SFCT if testing synovial fluid.

Test Code

BFCT