Test Code LAB211 Cell Count and Differential, Synovial Fluid

Useful For

Aids in the diagnosis of joint disease, systemic disease, inflammation, malignancy, infection, and trauma

Automated/Cytospin Differential

Bozeman Health Laboratory Services

Specimen Type: Synovial fluid

Container/Tube: Lavender top (liquid EDTA)

Specimen Volume: 1 mL

Specimen Minimum Volume: 0.5 mL

Collection Instructions: Indicate specimen source. Forward to laboratory promptly.

Specimen Rejection: Clotted samples will be rejected for a cell count.

Ambient

Specimen Type	Temperature	Time
Synovial Fluid	Ambient (preferred)	24 hours
	Refrigerated	24 hours

Note: Body fluids should be examined expeditiously. If they must be stored, store refrigerated.

Testing includes appearance, color, nucleated cell count, and differential:

Normal synovial fluid is a clear, slightly straw-colored, viscous fluid, which lacks fibrinogen and cannot clot.

Neutrophils: 0-25%

Lymphocytes: 0-75%
Monocytes: 0-70%

Monday through Sunday

89051