Glucose, Synovial Fluid

Test Code

LAB5210283

Quest Code

23481P

CPT Codes
82945

Preferred Specimen

1 mL synovial fluid in a standard transport tube

Patient Preparation

Overnight fasting is preferred

Minimum Volume

0.5 mL

Transport Temperature

Frozen

Specimen Stability

Room temperature: 24 hours
Refrigerated: 7 days
Frozen: 28 days

Methodology
Spectrophotometry (SP)

Setup Schedule

Night Sets up 4 days a week.

Reference Range

Synovial fluid glucose values are equivalent to plasma values if obtained from a fasting patient.
The difference between the plasma glucose and synovial fluid glucose value should be <10 mg/dL.

Clinical Significance

The measurement of synovial glucose may be of clinical value, but abnormal levels are not an indicator for any specific disease process. Fluid levels are interpreted along with serum values.

Performing Laboratory
Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano, CA 92690-6130

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.