SYNOVIAL FLUID CELL COUNT WITH DIFFERENTIAL

Test Code

LAB211

Alias/See Also

CELLSYNFL, Joint Fluid Cell Count

CPT Codes
89050, 89051

Preferred Specimen

Lavender top tube

Minimum Volume

1.0 mL

Instructions

Indicate source of specimen on specimen container and request form

Transport Temperature

Refrigerated

Methodology
Microscopy, Impedance

Setup Schedule

Set Up:Daily Report Available:Routine 4 hours / STAT 1 day

Reference Range

Clinical Significance

1. Clear synovial fluid may be found in patients with traumatic arthritis, uncomplicated osteoarthritis and mild rheumatoid arthritis. 2. Turbid synovial fluid may occur in the presence of increased numbers of leukocytes due to septic or nonseptic inflammation; it may also be due to the presence of bacteria. 3. Purulent fluid may occur in septic arthritis, rheumatoid arthritis, gout, or lymphatic obstruction. 4. Previous hemorrhage will produce a deep yellow or brown color in the supernate.

Performing Laboratory
GBMC Hematology

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.